Furnace Control Board Cross-Reference

Furnace Control Board Cross-Reference

605 OEM board numbers with a verified universal replacement — from ICM, White-Rodgers and Resideo’s own published lists — plus how to prove the board is actually the problem before you buy one.

Read time · 11 min read · Updated · July 2026 · Source · Manufacturer cross-references

READ THIS BEFORE YOU CALL

This chart is a free reference tool, here for you to use on your own. Open To Public HVAC Parts is a walk-in parts counter in Dallas, Texas.

  • In-store sales only — no shipping, no online orders.
  • We cannot look up or cross parts over the phone or by email.

If you are local, bring the old board and the furnace model and serial number to 10226 Plano Rd, Suite 104, Dallas TX.

Two things to know before you read any further

1. Most control boards have no universal replacement. Not “we don’t stock one” — none exists. Boards are the least interchangeable part in a furnace. The list further down covers 605 OEM numbers that do have a verified universal, and that is a small fraction of the boards in the field. If yours is not on it, the honest answer is the OEM part.

2. Most boards that get replaced were not the problem. The board is downstream of every safety in the furnace, so it takes the blame for faults belonging to the flame sensor, the pressure switch, the limit, the ignitor, the grounding, or a chafed thermostat wire. Goodman puts it in their own service manual: the control board should only be replaced after all other checks from the troubleshooting chart have been verified.

A control board is one of the most expensive parts in the furnace. It is worth thirty minutes of checking before you spend that.

Prove it is the board first

Run the furnace and watch the sequence. Note the first step that does not happen, then prove the input to that step. The board is only guilty when every input is good and its output is missing.

Swipe the table sideways to see all columns →

What you seeUsual culpritThe tell that it is not the board
Lights, burns 2–5 seconds, dies, retries three times, locks outFlame sensorFlame proves then drops. Microamp signal below spec. Clean the sensor with steel wool — never sandpaper or emery cloth, the grit contaminates it.
Pressure switch fault code, but the inducer is runningDraft, not the switchCracked or water-filled hose, blocked condensate trap on a 90%+ unit, weak inducer. Pressure switches rarely fail on their own.
Blower runs continuously, open-limit codeAirflowDirty filter, closed registers, undersized duct, wrong blower tap. The limit is doing its job.
Manual-reset switch latched outRollout — find the causeBlocked flue or a cracked heat exchanger. Repeatedly resetting it instead of finding out why is the actual hazard.
Board sequences correctly, ignitor never glowsIgnitorOhm the ignitor. Then confirm the board is sending 120 V during warm-up before blaming it.
Board completely deadTransformer, fuse or door switch24 V at the transformer but around 13 V between R and C means a blown board fuse. Nothing at all with the panel off is usually the door switch.
The 3 amp fuse blows again as soon as you replace itLow-voltage shortAlmost always a chafed thermostat wire, a pinched wire at the condenser, or a shorted contactor or reversing valve coil. A new board will blow its fuse too.
Intermittent lockouts with no consistent patternGrounding or reversed polarityFlame rectification needs a solid burner-to-chassis-to-earth path. Goodman states that failing to ground the furnace, or reversing hot and neutral, will make the control lock out.
One detail that causes a lot of unnecessary board sales: on many furnaces, pulling the blower door erases the stored fault code. Read the code through the sight glass first, or hold the door switch closed while you look. Lennox boards also auto-erase codes after 14 days.

Flash codes — and why the count means nothing on its own

There is no cross-brand standard for flash codes. The same number of blinks means different things on different equipment. Here are two of the most common brands side by side:

FlashesTrane / AmeristarGoodman
1Lockout, flame not sensed
2System lockout, retries exceededPressure switch stuck closed
3Pressure switch errorPressure switch stuck open
4Open high limitOpen limit
5Flame sensed when there should be noneFlame sensed with no call for heat
6115 VAC reversed or poor groundingOpen rollout limit or open board fuse
7Gas valve circuit errorLow flame sense signal
8Low flame sense signalIgnitor circuit or poor ground
9Check ignitor

Look at rows 6, 7 and 8. Three codes, and all three mean something different depending on whose furnace you are standing in front of. This is why “my furnace is flashing seven times, what part do I need” has no answer without knowing the brand.

And that is only one of four schemes in the field. Lennox SureLight boards use two LEDs in red and green patterns. Resideo universals use three. Newer boards — including the Trane A801X and the current White-Rodgers universals — have dropped blinking entirely for a seven-segment alphanumeric display with codes like E1.4.

Where to find your legend

Printed on the label inside the blower compartment door of your own furnace. That label, not a chart on the internet, is the one that applies to your equipment.

Universal boards that actually exist

Four manufacturers make genuine aftermarket furnace controls. Two names you will see on other parts — Supco and Packard — do not make one at all. DiversiTech resells ICM rather than building their own.

UniversalWhat it isCoverage
ICM2812-KITICM’s universal integrated furnace control, shipped with 12 harnesses219 OEM numbers. The board alone (ICM2812) is only a swap for a White-Rodgers 50M56U-843.
Resideo S9200U1000Honeywell/Resideo universal integrated control201 SKUs, each with its own harness and DIP switch safety timings
White-Rodgers 50M56U-843Single-stage universal kit — module, nitride ignitor and 12 harnesses183 numbers
White-Rodgers 50E47-843Non-integrated hot surface ignition module — ignition only, separate fan control176 numbers, six colour-coded program keys
White-Rodgers 50A55-843Universal silicon carbide integrated control101 numbers
White-Rodgers 21D83M-843Lennox-family specific — 80V nitride, single stage PSC onlyOver 40 Lennox SKUs
White-Rodgers 21M51U-843 / 21V51U-843Two-stage kits — the M for 3-speed PSC, the V for variable-speed ECMTwo-stage furnaces only
ICM280 / 281 / 282B / 2801 / 2805A / 2810 / 2811 / 2813 / 289ICM’s OEM-specific direct replacements rather than universalsEach covers one brand family — see the table below
A universal board is never just a board. ICM ships twelve different harnesses and tells you which one per OEM number. Resideo assigns a harness letter and specific DIP switch positions per SKU — and those switches set the safety timings, not preferences. Fit the board, skip the configuration, and you have a furnace whose safeties run on the wrong clock.

Verified universal cross-reference 605 OEM part numbers

Every row here comes from the universal manufacturer’s own published cross-reference — ICM’s guide, White-Rodgers’ spec sheets, Resideo’s installation instructions. Nothing on this list is our guess. If your OEM number is not here, we could not find a published universal for it, and the honest answer is the OEM board.

Swipe the table sideways to see all columns →

OEM part numberEquipment brandVerified universal replacement
0130F00005(S)Amana/GoodmanICM2812-KIT (harness 5 & 6)
0130F00005/SGOODMANICM2811
0130F00006(S)Amana/GoodmanICM2812-KIT (harness 5)
025-25436-000WR 50E47-843 (non-integrated HSI module)
025-25436-700WR 50E47-843 (non-integrated HSI module)
02525436700WR 50E47-843 (non-integrated HSI module)
031-00662Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
031-00662-000Coleman/Evcon/Luxaire/YorkWR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
031-00662-700Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
031-00662000Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01140-000Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01140-001Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01140-002Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01140-701Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01140-702Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01234-700Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01235-000Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01235-700Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01250-000Coleman/Evcon/Luxaire/YorkWR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01250-700Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01266-000Coleman/Evcon/Luxaire/YorkWR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01266-700Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01267-00Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01267-000Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01267-001Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01267-001AResideo S9200U1000 (harness + DIP per Table 1/2)
031-01284-000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01933-000Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01972-000Resideo S9200U1000 (harness + DIP per Table 1/2)
031-01973-000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · Resideo S9200U1000 (harness + DIP per Table 1/2)
031-02166-000Resideo S9200U1000 (harness + DIP per Table 1/2)
031-09166-000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · Resideo S9200U1000 (harness + DIP per Table 1/2)
031-09167-000Coleman/Evcon/Luxaire/YorkWR 50M56U-843 (harness F) · Resideo S9200U1000 (harness + DIP per Table 1/2)
031.01234.000Resideo S9200U1000 (harness + DIP per Table 1/2)
031011140002Resideo S9200U1000 (harness + DIP per Table 1/2)
03101250000WR 50A55-843
1001346WR 50E47-843 (non-integrated HSI module)
100925(-01,-02,-03)LennoxICM2812-KIT (harness 6)
100925-01LENNOXICM2813
100925-02LennoxWR 50M56U-843 (harness F)
100925-03LENNOXICM2813 · WR 50M56U-843 (harness F)
1010806Heil Quaker/ICP/Thermo Products/WhirlpoolICM2812-KIT (harness 5 & 6) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
1010806 EHeil Quaker/ICP/WR 50M56U-843 (harness & F)
1012-83-9336AUnited TechnologiesICM2812-KIT (harness 1 & 3)
1012-83-9337AUnited TechnologiesICM2812-KIT (harness 1 & 3) · Resideo S9200U1000 (harness + DIP per Table 1/2)
1012-83-9337A AUnited TechnologiesWR 50M56U-843 (harness & C)
1012-83-9651BResideo S9200U1000 (harness + DIP per Table 1/2)
1012-925(A,B,C)United TechnologiesICM2812-KIT (harness 2 & 4)
1012-925AResideo S9200U1000 (harness + DIP per Table 1/2)
1012-925A BUnited TechnologiesWR 50M56U-843 (harness & D)
1012-925B BUnited TechnologiesWR 50M56U-843 (harness & D)
1012-925C BUnited TechnologiesWR 50M56U-843 (harness & D)
1012-933DUnited TechnologiesICM2812-KIT (harness 1 & 3) · ICM280
1012-933D AUnited TechnologiesWR 50M56U-843 (harness & C)
1012933DResideo S9200U1000 (harness + DIP per Table 1/2)
1012933D AUnited TechnologiesWR 50M56U-843 (harness & C)
102077-02Amana/GoodmanICM2812-KIT (harness 5 & 6) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
102077-02 EAmana/GoodmanWR 50M56U-843 (harness & F)
102077-03Amana/GoodmanICM2812-KIT (harness 5 & 6) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
102077-03 EAmana/GoodmanWR 50M56U-843 (harness & F)
102077-04Amana/GoodmanICM2812-KIT (harness 5 & 6) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
102077-04 EAmana/GoodmanWR 50M56U-843 (harness & F)
102077-09Amana/GoodmanICM2812-KIT (harness 5 & 6) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
102077-09 EAmana/GoodmanWR 50M56U-843 (harness & F)
102077-19Resideo S9200U1000 (harness + DIP per Table 1/2)
10207701Amana/GoodmanICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
10207702WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
10207703WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
10207704Amana/GoodmanICM2812-KIT (harness 5 & 6) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
10207704 EAmana/GoodmanWR 50M56U-843 (harness & F)
10207706Amana/GoodmanICM2812-KIT (harness 5 & 6) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
10207706 EAmana/GoodmanWR 50M56U-843 (harness & F)
10207710Amana/GoodmanICM2812-KIT (harness 5 & 6) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
10207710 EAmana/GoodmanWR 50M56U-843 (harness & F)
10207714Amana/GoodmanICM2812-KIT (harness 5 & 6) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
10207714 EAmana/GoodmanWR 50M56U-843 (harness & F)
10207717Amana/GoodmanICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
10207718Amana/GoodmanICM2812-KIT (harness 5 & 6)
10207718 EAmana/GoodmanWR 50M56U-843 (harness & F)
10207719Amana/GoodmanICM2812-KIT (harness 5 & 6) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
10207719 EAmana/GoodmanWR 50M56U-843 (harness & F)
10207720Amana/GoodmanICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
10207720SAmana/GoodmanICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
10334901WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
10M93LennoxICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
10M9301LennoxICM2812-KIT (harness 6) · ICM2813 · WR 50M56U-843 (harness F)
1171166ICPICM291
1176943ICPICM282B
120-08027WR 50E47-843 (non-integrated HSI module)
1214201LennoxICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · Resideo S9200U1000 (harness + DIP per Table 1/2)
12L6901LennoxICM2812-KIT (harness 6) · ICM2813 · WR 50M56U-843 (harness F)
12X12Resideo S9200U1000 (harness + DIP per Table 1/2)
1300-4928WR 50E47-843 (non-integrated HSI module)
1380-686WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
1380-699WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
1380686International Comfort ProductsICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
1380694WR 50E47-843 (non-integrated HSI module)
1380698International Comfort ProductsICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
1380699International Comfort ProductsICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
17W92LennoxICM2812-KIT (harness 6)
17W9201LennoxICM2812-KIT (harness 6) · ICM2813
1809913Resideo S9200U1000 (harness + DIP per Table 1/2)
2076-0184WR 50E47-843 (non-integrated HSI module)
21D83M-843WHITE-RODGERSICM2813
23W51LennoxICM2812-KIT (harness 6)
23W5101LennoxICM2812-KIT (harness 6) · ICM2813
24L8501LENNOXICM2813
2525436700WR 50E47-843 (non-integrated HSI module)
265901Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
265902Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
30W25LennoxICM2812-KIT (harness 6)
30W2501LennoxICM2812-KIT (harness 6) · ICM2813
3101250000Coleman/Evcon/Luxaire/YorkWR 50M56U-843 (harness F) · Resideo S9200U1000 (harness + DIP per Table 1/2)
32339630-Resideo S9200U1000 (harness + DIP per Table 1/2)
325878-751CARRIERICM282B
32M8801LennoxICM2812-KIT (harness 6) · ICM2813 · WR 50M56U-843 (harness F)
331-01933-000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · Resideo S9200U1000 (harness + DIP per Table 1/2)
331-01972-000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
331-01972-200Resideo S9200U1000 (harness + DIP per Table 1/2)
331-09167-000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · Resideo S9200U1000 (harness + DIP per Table 1/2)
350486Thermo ProductsICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843
350760WR 50E47-843 (non-integrated HSI module)
350836Thermo ProductsICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
3591-1306WR 50E47-843 (non-integrated HSI module)
3XA74WR 50E47-843 (non-integrated HSI module)
3XA75WR 50A55-843
41F-5Texas InstrumentsICM2812-KIT (harness 1 & 3) · ICM280 · Resideo S9200U1000 (harness + DIP per Table 1/2)
41F-5 ATexas InstrumentsWR 50M56U-843 (harness & C)
431-01972-100Resideo S9200U1000 (harness + DIP per Table 1/2)
43101972100Resideo S9200U1000 (harness + DIP per Table 1/2)
4CZ50WR 50E47-843 (non-integrated HSI module)
4DG53WR 50A55-843
4DG54WR 50A55-843
4DG55WR 50A55-843
4DG56WR 50A55-843
4E954WR 50E47-843 (non-integrated HSI module)
4E955WR 50E47-843 (non-integrated HSI module)
4E956WR 50E47-843 (non-integrated HSI module)
50031795-Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-110White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-111White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-112White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-113White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-130White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-131White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-142White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-143White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-205White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-206White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-207White-RodgersICM2812-KIT (harness 5 & 6) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-207 EAmana/GoodmanWR 50M56U-843 (harness & F)
50A50-208White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-209White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-210White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-215White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-216White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-229White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-230White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-240White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-241White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-245White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-285White-RodgersICM2812-KIT (harness 5 & 6) · WR 50M56U-843 (harness E & F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-286White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-288White-RodgersICM2812-KIT (harness 5 & 6) · WR 50M56U-843 (harness E & F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-295White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-296White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-298White-RodgersICM2812-KIT (harness 5 & 6) · WR 50M56U-843 (harness E & F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-405White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-406White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-407White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-408White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-438White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-471White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-472White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-473White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-474White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-475White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A50-571White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A55 -843Lennox / W h it e -R odgersWR 50M56U-843 (harness F)
50A55-120Resideo S9200U1000 (harness + DIP per Table 1/2)
50A55-143White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A55-241White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A55-245White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A55-250White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A55-285White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness E & F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A55-286White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A55-288White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness E & F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A55-288-05Resideo S9200U1000 (harness + DIP per Table 1/2)
50A55-289White-RodgersICM2812-KIT (harness 6) · ICM2811 · WR 50M56U-843 (harness E & F)
50A55-3797White-RodgersICM2812-KIT (harness 6)
50A55-438White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A55-474White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A55-476White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
50A55-480White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
50A55-486White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
50A55-571White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A55-743White-RodgersICM2812-KIT (harness 5 & 6) · ICM2811
50A55-843White-RodgersICM2812-KIT (harness 6) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50A55143WR 50A55-843
50A56-242White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
50A56-243White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
50A56-956White-RodgersICM2812-KIT (harness 6)
50A62-120WHITE-RODGERSICM2813
50A62-121WHITE-RODGERSICM2813
50A62-820WHITE-RODGERSICM2813
50A65-120White-RodgersICM2812-KIT (harness 6) · ICM2813 · WR 50M56U-843 (harness F)
50A65-121White-RodgersICM2812-KIT (harness 6) · ICM2813 · WR 50M56U-843 (harness F)
50A65-143White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
50A65-288White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
50A65-289White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
50A65-474White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
50A65-475White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
50A65-476White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
50A65-5165White-RodgersICM2812-KIT (harness 6)
50A65-843White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
50A66-122White-RodgersICM2812-KIT (harness 6) · ICM2813
50A66-123White-RodgersICM2812-KIT (harness 6) · ICM2813 · WR 50M56U-843 (harness F)
50A66-743White-RodgersICM2812-KIT (harness 6)
50D47-1WR 50E47-843 (non-integrated HSI module)
50D47-101WR 50E47-843 (non-integrated HSI module)
50D47-120WR 50E47-843 (non-integrated HSI module)
50D47-140WR 50E47-843 (non-integrated HSI module)
50D47-150WR 50E47-843 (non-integrated HSI module)
50D47-160WR 50E47-843 (non-integrated HSI module)
50D47-161WR 50E47-843 (non-integrated HSI module)
50D47-170WR 50E47-843 (non-integrated HSI module)
50D47-20WR 50E47-843 (non-integrated HSI module)
50D47-260WR 50E47-843 (non-integrated HSI module)
50D47-270WR 50E47-843 (non-integrated HSI module)
50D47-40WR 50E47-843 (non-integrated HSI module)
50D47-50WR 50E47-843 (non-integrated HSI module)
50D47-60WR 50E47-843 (non-integrated HSI module)
50D47-70WR 50E47-843 (non-integrated HSI module)
50D47-905WR 50E47-843 (non-integrated HSI module)
50D47-915WR 50E47-843 (non-integrated HSI module)
50D47-925WR 50E47-843 (non-integrated HSI module)
50D47-935WR 50E47-843 (non-integrated HSI module)
50D47-945WR 50E47-843 (non-integrated HSI module)
50D47-955WR 50E47-843 (non-integrated HSI module)
50D47-965WR 50E47-843 (non-integrated HSI module)
50D47-975WR 50E47-843 (non-integrated HSI module)
50E47-1WR 50E47-843 (non-integrated HSI module)
50E47-10WR 50E47-843 (non-integrated HSI module)
50E47-101WR 50E47-843 (non-integrated HSI module)
50E47-110WR 50E47-843 (non-integrated HSI module)
50E47-120WR 50E47-843 (non-integrated HSI module)
50E47-130WR 50E47-843 (non-integrated HSI module)
50E47-140WR 50E47-843 (non-integrated HSI module)
50E47-150WR 50E47-843 (non-integrated HSI module)
50E47-160WR 50E47-843 (non-integrated HSI module)
50E47-161WR 50E47-843 (non-integrated HSI module)
50E47-170WR 50E47-843 (non-integrated HSI module)
50E47-20WR 50E47-843 (non-integrated HSI module)
50E47-260WR 50E47-843 (non-integrated HSI module)
50E47-30WR 50E47-843 (non-integrated HSI module)
50E47-40WR 50E47-843 (non-integrated HSI module)
50E47-50WR 50E47-843 (non-integrated HSI module)
50E47-560WR 50E47-843 (non-integrated HSI module)
50E47-60WR 50E47-843 (non-integrated HSI module)
50E47-70WR 50E47-843 (non-integrated HSI module)
50E47-841WR 50E47-843 (non-integrated HSI module)
50E47-843WR 50E47-843 (non-integrated HSI module)
50E47-851WR 50E47-843 (non-integrated HSI module)
50E47-860WR 50E47-843 (non-integrated HSI module)
50E47-861WR 50E47-843 (non-integrated HSI module)
50E47-870WR 50E47-843 (non-integrated HSI module)
50E47-871WR 50E47-843 (non-integrated HSI module)
50F47-101WR 50E47-843 (non-integrated HSI module)
50F47-140WR 50E47-843 (non-integrated HSI module)
50F47-160WR 50E47-843 (non-integrated HSI module)
50F47-40WR 50E47-843 (non-integrated HSI module)
50F47-60WR 50E47-843 (non-integrated HSI module)
50G47-1WR 50E47-843 (non-integrated HSI module)
50G47-130WR 50E47-843 (non-integrated HSI module)
50G47-140WR 50E47-843 (non-integrated HSI module)
50G47-150WR 50E47-843 (non-integrated HSI module)
50G47-160WR 50E47-843 (non-integrated HSI module)
50G47-40WR 50E47-843 (non-integrated HSI module)
50G47-60WR 50E47-843 (non-integrated HSI module)
50M56-281White-RodgersICM2812-KIT (harness 5 & 6)
50M56-289White-RodgersICM2812-KIT (harness 6) · WR 50M56U-843 (harness E)
50M56-291White-RodgersICM2812-KIT (harness 5 & 6)
50M56-743White-RodgersICM2812-KIT (harness 5)
50M56-843KitWR 50M56U-843 (harness )
50M56U-843WHITE-RODGERSICM2812, ICM2812-KIT · Resideo S9200U1000 (harness + DIP per Table 1/2)
50T35 -743 AA m e r i ca n S t a n d a r d / T ra n e/WR 50M56U-843 (harness C & G)
50T35-730White-RodgersICM2812-KIT (harness 1, 3 & 7) · ICM280
50T35-730 AAmana/GoodmanWR 50M56U-843 (harness C & G)
50T35-743White-RodgersICM2812-KIT (harness 1, 3 & 7) · ICM280 · Resideo S9200U1000 (harness + DIP per Table 1/2)
50T35730Resideo S9200U1000 (harness + DIP per Table 1/2)
50T55-288White-RodgersICM2812-KIT (harness 5 & 6) · WR 50M56U-843 (harness E & F)
50T55-289White-RodgersICM2812-KIT (harness 5 & 6) · ICM2811 · WR 50M56U-843 (harness E & F)
52537074000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
52537077000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
5253733900WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
539617Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6)
56L84LennoxICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
56L8401LennoxICM2812-KIT (harness 6) · ICM2813 · WR 50M56U-843 (harness F)
61F3Texas InstrumentsICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
62-22694-XXRheem/RUUDICM2812-KIT (harness 2 & 4)
62-22694-XX BRheem/RUUD*WR 50M56U-843 (harness & D)
62-22732-XXRheem/RUUDICM2812-KIT (harness 2 & 4)
62-22732-XX BRheem/RUUD*WR 50M56U-843 (harness & D)
62-23599-01RHEEMICM2909
62-23599-02RHEEMICM2909
62-23599-03RHEEMICM2909
62-23599-04RHEEMICM2909
62-23599-05RHEEMICM2909
62-24044-XXRheem/RUUDICM2812-KIT (harness 2 & 4)
62-24044-XX BRheem/RUUD*WR 50M56U-843 (harness & D)
62-24045-01Rheem/RUUDICM2812-KIT (harness 2 & 4)
62-24045-01 BRheem/RUUD*WR 50M56U-843 (harness & D)
62-24046-01Rheem/RUUDICM2812-KIT (harness 2 & 4)
62-24046-01 BRheem/RUUD*WR 50M56U-843 (harness & D)
62-24084-82Rheem/RUUDICM2812-KIT (harness 2 & 4) · ICM288
62-24084-82 BRheem/RUUD*WR 50M56U-843 (harness & D)
62-24140-04RHEEMICM292
62-24268(-01,-02,-03)Rheem/RUUDICM2812-KIT (harness 2 & 4)
62-24268-01Resideo S9200U1000 (harness + DIP per Table 1/2)
62-24268-01 BRheem/RUUD*WR 50M56U-843 (harness & D)
62-24268-02 BRheem/RUUD*WR 50M56U-843 (harness & D)
62-24268-03 BRheem/RUUD*WR 50M56U-843 (harness & D)
624557NordyneICM2812-KIT (harness 2, 8 & 9) · Resideo S9200U1000 (harness + DIP per Table 1/2)
624557 BNordyneWR 50M56U-843 (harness H & I)
624557-0Resideo S9200U1000 (harness + DIP per Table 1/2)
6245570Resideo S9200U1000 (harness + DIP per Table 1/2)
6245570 BNordyneWR 50M56U-843 (harness H & I)
624564NordyneICM2812-KIT (harness 2, 8 & 9) · Resideo S9200U1000 (harness + DIP per Table 1/2)
624564 BNordyneWR 50M56U-843 (harness H & I)
6245640Resideo S9200U1000 (harness + DIP per Table 1/2)
6245640 BNordyneWR 50M56U-843 (harness H & I)
624591NordyneICM2812-KIT (harness 2, 8 & 9) · Resideo S9200U1000 (harness + DIP per Table 1/2)
624591 BNordyneWR 50M56U-843 (harness H & I)
624591-AResideo S9200U1000 (harness + DIP per Table 1/2)
624591-BResideo S9200U1000 (harness + DIP per Table 1/2)
624591-CResideo S9200U1000 (harness + DIP per Table 1/2)
624591-DResideo S9200U1000 (harness + DIP per Table 1/2)
624591-X BNordyneWR 50M56U-843 (harness H & I)
624591AResideo S9200U1000 (harness + DIP per Table 1/2)
624628Resideo S9200U1000 (harness + DIP per Table 1/2)
624628 2, 8 & 9NordyneICM2812-KIT (harness 3)
624628 BNordyneWR 50M56U-843 (harness H & I)
624628-0Resideo S9200U1000 (harness + DIP per Table 1/2)
624628-0 BNordyneWR 50M56U-843 (harness H & I)
624631NORDYNEICM2805A
624631(A)NordyneICM2812-KIT (harness 2, 8 & 9)
624631-0Resideo S9200U1000 (harness + DIP per Table 1/2)
624631-0 BNordyneWR 50M56U-843 (harness H & I)
624631-AResideo S9200U1000 (harness + DIP per Table 1/2)
624631-BResideo S9200U1000 (harness + DIP per Table 1/2)
6246310Resideo S9200U1000 (harness + DIP per Table 1/2)
6246310 BNordyneWR 50M56U-843 (harness H & I)
624631AResideo S9200U1000 (harness + DIP per Table 1/2)
624631A BNordyneWR 50M56U-843 (harness H & I)
63K8901LENNOXICM2813
695-200RheemICM2812-KIT (harness 2 & 4)
695-200 BRheemWR 50M56U-843 (harness & D)
69M08LennoxICM2812-KIT (harness 6)
69M0801LennoxICM2812-KIT (harness 6) · ICM2813 · WR 50M56U-843 (harness F)
69M15LennoxICM2812-KIT (harness 6)
69M1501LennoxICM2812-KIT (harness 6) · ICM2813
6DT(-1,-2)Texas InstrumentsICM2812-KIT (harness 6)
6DT-1Texas InstrumentsWR 50M56U-843 (harness F)
6DT-2Texas InstrumentsWR 50M56U-843 (harness F)
710128ANordyneICM2812-KIT (harness 2, 8 & 9) · Resideo S9200U1000 (harness + DIP per Table 1/2)
710128A BNordyneWR 50M56U-843 (harness H & I)
780-780WR 50E47-843 (non-integrated HSI module)
780-783WR 50E47-843 (non-integrated HSI module)
780-784WR 50E47-843 (non-integrated HSI module)
780-785WR 50E47-843 (non-integrated HSI module)
780-786WR 50E47-843 (non-integrated HSI module)
780-787WR 50E47-843 (non-integrated HSI module)
780-788WR 50E47-843 (non-integrated HSI module)
780-789WR 50E47-843 (non-integrated HSI module)
780-790WR 50E47-843 (non-integrated HSI module)
780-910WR 50E47-843 (non-integrated HSI module)
7990-319PYORKICM2801
8068142WhirlpoolICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843
8068561WhirlpoolICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
8068563WhirlpoolICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
832-002WR 50E47-843 (non-integrated HSI module)
832-005WR 50E47-843 (non-integrated HSI module)
83M00LENNOXICM2813
902378NordyneICM2812-KIT (harness 2, 8 & 9) · Resideo S9200U1000 (harness + DIP per Table 1/2)
902378 BNordyneWR 50M56U-843 (harness H & I)
902696NordyneICM2812-KIT (harness 2, 8 & 9) · Resideo S9200U1000 (harness + DIP per Table 1/2)
902696 BNordyneWR 50M56U-843 (harness H & I)
903106NordyneICM2812-KIT (harness 2, 8 & 9) · Resideo S9200U1000 (harness + DIP per Table 1/2)
903106 BNordyneWR 50M56U-843 (harness H & I)
9336AHSC1Resideo S9200U1000 (harness + DIP per Table 1/2)
97L4801LENNOXICM2813
995395WR 50E47-843 (non-integrated HSI module)
99796380WR 50E47-843 (non-integrated HSI module)
99905232WR 50E47-843 (non-integrated HSI module)
99958174WhirlpoolICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
99958175WhirlpoolICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
ACSS92Resideo S9200U1000 (harness + DIP per Table 1/2)
ACSS96Resideo S9200U1000 (harness + DIP per Table 1/2)
ADSS8Resideo S9200U1000 (harness + DIP per Table 1/2)
ALL BCC1LENNOXICM289
AMSS92Resideo S9200U1000 (harness + DIP per Table 1/2)
AMSS96Resideo S9200U1000 (harness + DIP per Table 1/2)
B18099-04GOODMANICM287
B18099-06/08/10/13/13SGOODMANICM280
B18099-13Resideo S9200U1000 (harness + DIP per Table 1/2)
B18099-26/SGOODMANICM2811
B1809913Resideo S9200U1000 (harness + DIP per Table 1/2)
B1809926(S)Amana/GoodmanICM2812-KIT (harness 5 & 6)
B18099265 EAmana/GoodmanWR 50M56U-843 (harness & F)
BCC2LENNOXICM289
BCC3 CIRCUIT BOARDSLENNOXICM289
C6411102WR 50E47-843 (non-integrated HSI module)
CAR03101973000Resideo S9200U1000 (harness + DIP per Table 1/2)
CAR33101972200Resideo S9200U1000 (harness + DIP per Table 1/2)
CAR50A55843Resideo S9200U1000 (harness + DIP per Table 1/2)
CAR903106Resideo S9200U1000 (harness + DIP per Table 1/2)
CES0110020CARRIERICM281
CES0110048CARRIERICM281
CES0110057-00/01/02CARRIERICM281
CES0110074-01CARRIERICM2804
CNT02789American Standard/TraneICM2812-KIT (harness 6)
CNT02891American Standard/TraneICM2812-KIT (harness 6)
CNT03076American Standard/TraneICM2812-KIT (harness 6)
CNT03740WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
CNT03798American Standard/TraneICM2812-KIT (harness 6)
CNT03799American Standard/TraneICM2812-KIT (harness 6)
CNT05164American Standard/TraneICM2812-KIT (harness 6)
CNT05165American Standard/TraneICM2812-KIT (harness 6)
CNT1309Resideo S9200U1000 (harness + DIP per Table 1/2)
CNT1316WR 50E47-843 (non-integrated HSI module)
CNT1616Resideo S9200U1000 (harness + DIP per Table 1/2)
CNT1690WR 50E47-843 (non-integrated HSI module)
CNT1691WR 50E47-843 (non-integrated HSI module)
CNT1848Resideo S9200U1000 (harness + DIP per Table 1/2)
CNT1849Resideo S9200U1000 (harness + DIP per Table 1/2)
CNT2181Resideo S9200U1000 (harness + DIP per Table 1/2)
CNT2789Resideo S9200U1000 (harness + DIP per Table 1/2)
D330927P01TraneICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
D330930P01TraneICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
D330934P01TraneICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
D340035P01TraneICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
D340354P01WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
D340774P01TraneICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
D340790P01Resideo S9200U1000 (harness + DIP per Table 1/2)
D341122P01American Standard/TraneICM2812-KIT (harness 6) · Resideo S9200U1000 (harness + DIP per Table 1/2)
D341213P01TraneICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
D341235P01American Standard/TraneICM2812-KIT (harness 6) · Resideo S9200U1000 (harness + DIP per Table 1/2)
D341235P03American Standard/TraneICM2812-KIT (harness 6)
D341396P01TraneICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
D341396P04American Standard/TraneICM2812-KIT (harness 6)
D341396P05American Standard/TraneICM2812-KIT (harness 6)
D34139P03American Standard/TraneICM2812-KIT (harness 6)
D674711P01TRANEICM2913
D674712P01TRANEICM2914
D674712P02TRANEICM2916
D674713P01TRANEICM2915
DC92SSResideo S9200U1000 (harness + DIP per Table 1/2)
DD80SSResideo S9200U1000 (harness + DIP per Table 1/2)
DM80SSResideo S9200U1000 (harness + DIP per Table 1/2)
DM92SSResideo S9200U1000 (harness + DIP per Table 1/2)
G951ADB-1401(C)Coleman/Evcon/Lennox/Luxaire/YorkICM2812-KIT (harness 6)
G951ADB-1401CResideo S9200U1000 (harness + DIP per Table 1/2)
G951ADB-1402Luxaire/YorkWR 50M56U-843 (harness F) · Resideo S9200U1000 (harness + DIP per Table 1/2)
G951ADB-1403Coleman/Evcon/Lennox/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
G951ADB1401Coleman/Evcon/Lennox/WR 50M56U-843 (harness F) · Resideo S9200U1000 (harness + DIP per Table 1/2)
G951ADB1401CResideo S9200U1000 (harness + DIP per Table 1/2)
G951ADB1402Coleman/Evcon/Lennox/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · Resideo S9200U1000 (harness + DIP per Table 1/2)
G951AEB-1403Coleman/Evcon/Lennox/Luxaire/YorkICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · Resideo S9200U1000 (harness + DIP per Table 1/2)
H.S.I.Resideo S9200U1000 (harness + DIP per Table 1/2)
HH84AA016CARRIERICM281
HK42FZ-004/007/008/009/011/013/016/34CARRIERICM282B
HK42FZ004CarrierICM2812-KIT (harness 11 & 12)
HK42FZ004, KBryant/Carrier/WR 50M56U-843 (harness & L)
HK42FZ007CarrierICM2812-KIT (harness 11 & 12) · WR 50M56U-843 (harness K & L)
HK42FZ008CarrierICM2812-KIT (harness 11 & 12) · WR 50M56U-843 (harness K & L)
HK42FZ009CarrierICM2812-KIT (harness 11 & 12) · WR 50M56U-843 (harness K & L)
HK42FZ011CarrierICM2812-KIT (harness 11 & 12) · WR 50M56U-843 (harness K & L)
HK42FZ013Bryant/Carrier/Day & Night/PayneWR 50M56U-843 (harness )
HK42FZ016CarrierICM2812-KIT (harness 11 & 12) · WR 50M56U-843 (harness K & L)
HK42FZ017CARRIERICM2807
HS780-17NL-104AWR 50E47-843 (non-integrated HSI module)
HS780-17NL-106AWR 50E47-843 (non-integrated HSI module)
HS780-17NL-108AWR 50E47-843 (non-integrated HSI module)
HS780-17NL-304AWR 50E47-843 (non-integrated HSI module)
HS780-17NL-306AWR 50E47-843 (non-integrated HSI module)
HS780-17NL-308AWR 50E47-843 (non-integrated HSI module)
HS780-17NR-104AWR 50E47-843 (non-integrated HSI module)
HS780-17NR-106AWR 50E47-843 (non-integrated HSI module)
HS780-17NR-108AWR 50E47-843 (non-integrated HSI module)
HS780-17NR-304AWR 50E47-843 (non-integrated HSI module)
HS780-17NR-306AWR 50E47-843 (non-integrated HSI module)
HS780-17NR-308AWR 50E47-843 (non-integrated HSI module)
HS780-17NR-312AWR 50E47-843 (non-integrated HSI module)
HS780-17PL-106AWR 50E47-843 (non-integrated HSI module)
HS780-17PL-108AWR 50E47-843 (non-integrated HSI module)
HS780-17PL-304AWR 50E47-843 (non-integrated HSI module)
HS780-17PL-306AWR 50E47-843 (non-integrated HSI module)
HS780-17PL-308AWR 50E47-843 (non-integrated HSI module)
HS780-17PR-104AWR 50E47-843 (non-integrated HSI module)
HS780-17PR-108AWR 50E47-843 (non-integrated HSI module)
HS780-17PR-306AWR 50E47-843 (non-integrated HSI module)
HS780-34NL-106AWR 50E47-843 (non-integrated HSI module)
HS780-34NL-108AWR 50E47-843 (non-integrated HSI module)
HS780-34NL-304AWR 50E47-843 (non-integrated HSI module)
HS780-34NL-306AWR 50E47-843 (non-integrated HSI module)
HS780-34NL-308AWR 50E47-843 (non-integrated HSI module)
HS780-34NL-312AWR 50E47-843 (non-integrated HSI module)
HS780-34NR-104AWR 50E47-843 (non-integrated HSI module)
HS780-34NR-106AWR 50E47-843 (non-integrated HSI module)
HS780-34NR-304AWR 50E47-843 (non-integrated HSI module)
HS780-34NR-306AWR 50E47-843 (non-integrated HSI module)
HS780-34NR-308AWR 50E47-843 (non-integrated HSI module)
HS780-34NR-312AWR 50E47-843 (non-integrated HSI module)
HS780-34PL-104AWR 50E47-843 (non-integrated HSI module)
HS780-34PL-106AWR 50E47-843 (non-integrated HSI module)
HS780-34PL-108AWR 50E47-843 (non-integrated HSI module)
HS780-34PL-304AWR 50E47-843 (non-integrated HSI module)
HS780-34PL-306AWR 50E47-843 (non-integrated HSI module)
HS780-34PL-308AWR 50E47-843 (non-integrated HSI module)
HS780-34PR-106AWR 50E47-843 (non-integrated HSI module)
HS780-34PR-108AWR 50E47-843 (non-integrated HSI module)
HS780-34PR-304AWR 50E47-843 (non-integrated HSI module)
HS780-34PR-306AWR 50E47-843 (non-integrated HSI module)
HS780-34PR-308AWR 50E47-843 (non-integrated HSI module)
ICM280ICMWR 50M56U-843 (harness A & C) · Resideo S9200U1000 (harness + DIP per Table 1/2)
INCLUDING 48K98LENNOXICM289
LH33WP003/3ACARRIERICM291
P031-01267-001Resideo S9200U1000 (harness + DIP per Table 1/2)
P03101267001Resideo S9200U1000 (harness + DIP per Table 1/2)
PCB00109Amana/GoodmanICM2812-KIT (harness 5)
PCBAG123GOODMANICM2920
PCBAG123SGOODMANICM2920
PCBBF109Amana/GoodmanICM2812-KIT (harness 5)
PCBBF110(S)Amana/GoodmanICM2812-KIT (harness 5 & 6)
PCBBF110/SGOODMANICM2811
PCBBF112(S)Amana/GoodmanICM2812-KIT (harness 5 & 6)
PCBBF112/SGOODMANICM2811
PCBBF122(S)Amana/GoodmanICM2812-KIT (harness 5)
PCBBF123(S)Amana/GoodmanICM2812-KIT (harness 5 & 6)
PCBBF123/SGOODMANICM2811
PCBBF132(S)Amana/GoodmanICM2812-KIT (harness 5)
PCBBF134Amana/GoodmanICM2812-KIT (harness 5 & 6)
PCBBF135Amana/GoodmanICM2812-KIT (harness 5 & 6)
PCBBF136Amana/GoodmanICM2812-KIT (harness 5 & 6) · ICM2810 · Resideo S9200U1000 (harness + DIP per Table 1/2)
PCBBF138Amana/GoodmanICM2812-KIT (harness 5 & 6)
PCBBF140GOODMANICM2810 · Resideo S9200U1000 (harness + DIP per Table 1/2)
PTH031011400-Resideo S9200U1000 (harness + DIP per Table 1/2)
RODGERS1Resideo S9200U1000 (harness + DIP per Table 1/2)
S1-03100662000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6)
S1-03101250000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6)
S1-03101266000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6)
S1-03101267000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6)
S1-03101267001Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6)
S1-03101284000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6)
S1-03101933000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6)
S1-03101972000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6)
S1-03101973000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6)
S1-03109167000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6)
S1-331-02956000YORKICM2808
S1-331-03010000YORKICM2808
S1-33102956000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6)
S1-33103010000Coleman/Evcon/Luxaire/YorkICM2812-KIT (harness 6)
S1-CHECKResideo S9200U1000 (harness + DIP per Table 1/2)
S1-OFFResideo S9200U1000 (harness + DIP per Table 1/2)
S2-CHECKResideo S9200U1000 (harness + DIP per Table 1/2)
S2-OFFResideo S9200U1000 (harness + DIP per Table 1/2)
S890C1007WR 50E47-843 (non-integrated HSI module)
S890D1006WR 50E47-843 (non-integrated HSI module)
S890G1003WR 50E47-843 (non-integrated HSI module)
S890G1011WR 50E47-843 (non-integrated HSI module)
S890G1029WR 50E47-843 (non-integrated HSI module)
S890G1037WR 50E47-843 (non-integrated HSI module)
S890H1002WR 50E47-843 (non-integrated HSI module)
S890H1010WR 50E47-843 (non-integrated HSI module)
S890H1028WR 50E47-843 (non-integrated HSI module)
S8910UWR 50E47-843 (non-integrated HSI module)
S8910U1000WR 50E47-843 (non-integrated HSI module)
S89C1004WR 50E47-843 (non-integrated HSI module)
S89C1012WR 50E47-843 (non-integrated HSI module)
S89C1046WR 50E47-843 (non-integrated HSI module)
S89C1079WR 50E47-843 (non-integrated HSI module)
S89C1087WR 50E47-843 (non-integrated HSI module)
S89C1103WR 50E47-843 (non-integrated HSI module)
S89D1002WR 50E47-843 (non-integrated HSI module)
S89G1005WR 50E47-843 (non-integrated HSI module)
S89G1013WR 50E47-843 (non-integrated HSI module)
S89G1021WR 50E47-843 (non-integrated HSI module)
S89G1047WR 50E47-843 (non-integrated HSI module)
S89H1003WR 50E47-843 (non-integrated HSI module)
S89H1011WR 50E47-843 (non-integrated HSI module)
S89H1029WR 50E47-843 (non-integrated HSI module)
S89J1008WR 50E47-843 (non-integrated HSI module)
X13120666010WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)
X13130193-04WR 50E47-843 (non-integrated HSI module)
X13130437-01WR 50E47-843 (non-integrated HSI module)
X13130437-03WR 50E47-843 (non-integrated HSI module)
X13130437010WR 50E47-843 (non-integrated HSI module)
X13130437020WR 50E47-843 (non-integrated HSI module)
X13130437030WR 50E47-843 (non-integrated HSI module)
X13130437040WR 50E47-843 (non-integrated HSI module)
X13130437060WR 50E47-843 (non-integrated HSI module)
X13130437080WR 50E47-843 (non-integrated HSI module)
X324601WR 50E47-843 (non-integrated HSI module)
X4459LennoxICM2812-KIT (harness 6) · WR 50M56U-843 (harness F)
X445901LennoxICM2812-KIT (harness 6) · WR 50M56U-843 (harness F) · WR 50A55-843 · Resideo S9200U1000 (harness + DIP per Table 1/2)

White-Rodgers publish their lists with this disclaimer, and it applies to everything above: given without warranty or liability of any kind. Responsibility for the selection and application of a control rests solely with the installer. Confirm the harness and the timing configuration before you power anything up.

Heat pump defrost boards 41 part numbers

Defrost boards are a separate animal from furnace controls, and they have their own most-common misdiagnosis: the sensor, not the board. A sensor-based defrost control relies on a coil thermistor and often an ambient thermistor. A unit that will not defrost, or defrosts constantly, is very often a failed sensor at a fraction of the price.

Swipe the table sideways to see all columns →

BrandOEM part numberICM replacement
AMANAC64301-1ICM300
AMANAC64310-1ICM300
ARCOAIRE32312-00ICM300
ARCOAIRE3232140ICM300
ARTESIAN10321-00ICM300
AVIONDFT100ICM315
CARRIER-01ICM321
CARRIER-02ICM321
CARRIER-02AICM321
CARRIERCES0110063-00ICM321
CARRIEREA003ICM350
CARRIEREA008ICM350
CARRIERHK32EA001ICM350
COLEMAN3030A374ICM300
ESSEX621-1 TO 621-10ICM300
ESSEX621-110ICM300
ESSEX621-111ICM300
ESSEX621-310ICM300
GOODMANB12260-06ICM300
GOODMANB1226008ICM318
GOODMANPCBDM101(S)ICM318
GOODMANPCBDM133ICM314
HEIL QUAKERHQ1052757ICM300
HONEYWELLST74A1004/20/38ICM300
ICMW1001-4ICM318
ICP1052757ICM300
ICP1171803ICM321
ICP1173425ICM321
ICP1173636ICM350
INTERTHERM6208800ICM300
LENNOX33G9501ICM300
MARS32572ICM300
RANCOE-15ICM315
RHEEM47-21776-01ICM300
ROBERTSHAW/UNI-LINEDT2-1000ICM300
ROBERTSHAW/UNI-LINETD-10ICM300
SNYDER GENERAL1395-329ICM300
STEVECO90-621ICM300
THERM-O-DISC26E-10ICM300
WEATHERKING (ADDISON)840-4-5548ICM300
WHITE-RODGERS90-621ICM300

ICM301, ICM320 and ICM321 are flagged legacy or obsolete by ICM, and ICM320 has no suggested alternative. Check current availability before promising one to a customer.

Why boards mostly do not interchange

Two boards can look identical, do the same job, and still be incompatible. The reasons are real, not marketing:

  • Connector pinout. White-Rodgers state outright that their 50M56U-843 will not replace a board with an 11-pin bar connector. That is a universal board’s own maker naming boards it cannot fit.
  • Safety timings. Pre-purge, ignitor warm-up, trial for ignition, retries, blower on and off delays. These differ between boards that look the same, and they are safety settings, not preferences.
  • Ignitor voltage. 80 V nitride versus 120 V is a hard incompatibility. Put a 120 V board on an 80 V ignitor and you destroy the ignitor.
  • Integrated versus non-integrated. Some controls handle ignition only, with fan control living elsewhere. Different architecture entirely.
  • Stage count. Single, two-stage and modulating boards have different outputs and different logic. A single-stage board has no second-stage output at all.
  • Blower motor type. A PSC board switches line voltage to speed taps. An ECM board sends low-voltage tap-select signals. Not interchangeable.
  • Communicating systems. Carrier Infinity, Trane ComfortLink II and Lennox iComfort are serial bus systems where the board, outdoor unit and thermostat negotiate with each other. No universal replacement exists for any of them — not from ICM, not from White-Rodgers, not from Resideo.
  • Brand-specific flame sensing. ICM notes some Rheem and Ruud models sense flame differently, and certain older Rheem units need an added flame sensor kit.

Fit a board that merely looks right and the good outcome is that it does not run. The bad outcomes are the ones the board exists to prevent: a gas valve energised without proving flame, a blower on the wrong speed for a heat call, or safeties that are not in the circuit at all.

The boards people ask us for by number

These are the ones that come up most, answered straight — including the ones where the answer is “there is no universal.”

19W94 — Lennox

An ignition control board kit for 80MGF and G24M series furnaces. It supersedes 33J62, 65K07 and LB-84495A/B, and the allied-brand equivalent is 20J80. No universal replacement exists — we checked it against every published cross-reference from ICM, White-Rodgers and Resideo and it appears in none of them. At least one distributor reports Lennox no longer supplies it, so this is an OEM-or-nothing part and worth checking availability before you pull the old one.

PCBBF145S — Goodman

Confirmed from Goodman’s own service manual for the GMES9 and GCES9 series. Its distinguishing feature is a TWIN terminal — Goodman requires twinned furnaces to be the same model with PCBBF145 boards. No universal replacement. The published universals cover PCBBF136 and PCBBF140 and stop there.

Ameristar control boards

Ameristar is Trane’s value brand, alongside Oxbox and RunTru, so it uses Trane-family part numbers. There is no single “Ameristar board.” Outdoor units commonly use BRD-series boards; gas furnaces use a Trane integrated control. Note that the A801X generation moved to a seven-segment display with E-codes rather than flash counts, so troubleshooting guides written for older Trane boards will not match what you are looking at.

Lennox G40UH — there are four different boards

Lennox’s own service literature names two generations for this furnace: 10M93 and 56L84, then 78M47 and 100973-01. They are not the same — the ignitor stays energised for a different portion of the trial for ignition on each, and the undervoltage cut-out differs too.

56L84 and 10M93 do have universal coverage (ICM2813, ICM2812-KIT, White-Rodgers 50M56U-843 and 21D83M-843). 78M47 and 100973-01 do not appear in any published cross-reference. Read the number off your board, not off the furnace model.

CNT09648 and CNT05482 — Trane

These come up constantly on contactor searches, so to be clear: CNT is Trane’s prefix for control boards. Trane contactors start with CTR.

CNT09648 is an integrated furnace control and the current replacement for the discontinued CNT07940. CNT05482 is a heat pump defrost board, also written CNT5482, and it is sensor-based — before condemning it, check the coil and ambient sensors. Neither has a verified universal equivalent, and note that although some older Trane numbers appear in the ICM2812-KIT list, CNT09648 itself does not. We stock both.

Reading the number on your board

No manufacturer publishes a decoder for control board part numbers. What follows are patterns we and others have observed, useful for orienting yourself — not official.

BrandPatternWorth knowing
Goodman / AmanaPCBBF, PCBAG, PCBFM, PCBDM, B18099The prefix tells you the function: PCBBF and PCBAG are furnace controls, PCBFM is a fan blower control, PCBDM is a defrost control. A trailing S is a service variant and crosses the same.
Trane / American StandardCNT, BRD, KIT, BAFCNT is the service number for indoor boards, BRD for outdoor. The board itself usually also carries a D-number and often a White-Rodgers number, because many are rebadged White-Rodgers.
Carrier / BryantHK42FZ… and CEPL…Two numbers on one board. HK42FZ is the service part number; CEPL (or CEBD) is the assembly number silkscreened on the board. Also watch CES0 with a zero versus CESO with a letter O — both circulate, search both.
York / Coleman / Luxaire031-xxxxx-xxx and S1-…The S1 form is the same number with the dashes removed: 031-01250-700 is S1-03101250000.
Lennox2 digits + letter + 2 digits56L84, 10M93, 19W94. The same board often appears with 01 appended (56L8401). Newer boards use six-digit numbers like 100973-01.
Rheem / Ruud62- and 47-Furnace control boards run 62-2xxxx; defrost and ignition controls run 47-xxxxxx. Rheem publishes no decoder, so treat this as a pattern only.
Nordyne / Nortek624xxx, 90xxxxSingle-stage furnace controls. No published decoder.
Read the number off the board, not off the furnace. The G40UH above is the reason — one furnace model, four different boards across its production run.

Boards we keep in Dallas 62

What is on our shelf. Where we carry an aftermarket direct replacement for an OEM number, it is listed in the last column — that is the equivalent we would hand you at the counter.

Swipe the table sideways to see all columns →

Part numberTypeBrandNotesAftermarket direct
1016380RControl boardNordyne
103085-03Control board94W83
16V38Defrost BOARD*
19W94Control board
21M51U-843Control boardPsc2-STAGE
21V51U-843Control boardEcm2-STAGE
325878-751Control boardCarrier50M56U-751
47-100436-02Control board – X13 ECMRheemAir Handler
47-100436-05Control board – PSC MOTORRheemAir Handler
47-100436-08Control boardRheem
47-100436-84JControl boardRheem
47-102684-204Defrost Control board
47-102684-83Defrost Control board WITH SENSORSRheem
50F06-843Control boardST9120
50M56U-801Control boardLennox
57T01-843FAN Control boardTraneTime Delay RelayRLY02807
607436-05Control board23C48
619559-01Defrost BOARDLennox16V37
62-104058-02Control boardRheemGas, Spark Ign
62-105217-01Control boardRheemGas, Spark Ign
62-24084-82Control boardRheemDirect ReplacementICM288
62-24140-04Control boardRheemGas
62-24268-03Control boardRheemGas, Hsi
62-25338-01Control boardRheemGas, Spark Ign
81W03Control board*
83M00Control boardLennoxGasICM2813
903106Control boardNortekGasICM2805A
903915AControl boardNordyne
920915Control boardG7/M7
B1809913SControl boardGoodman50T35-743
BRD05765Control boardAmeristar
CESO110057-02Control boardCarrier50M56D-751
CNT03797Control boardTrane120V50A55-3797
CNT05001Defrost Control boardTrane
CNT05165Control boardTrane80V Hsi50A65-5165
CNT05482Defrost Control boardTrane
CNT07737Control boardTraneConstant Torque
CNT09646Control boardTraneS8X1 Series
CNT09648Control boardTraneA801X
HK32EA007Defrost Control board
HK42FZ027Control board
HK42FZ086Control board1190595
HK61EA002Control board1171000
HK61EA006Control board1171734, R99G010
HK61EA020Defrost Control board
HK61EA034Control boardRECTIFIER, 1186789
ICM271CControl boardCarrier
ICM275CControl boardCarrier
ICM2812-KITControl board KITGas
LH33WP003Control boardCarrierRtuICM291
PCBBF112SControl boardGoodmanGas50A55-743
PCBBF140SControl boardGoodmanGas50M56-707
PCBBF145SControl board
PCBBF163SControl boardGm9S
PCBDM101SDefrost CONTROL
PCBDM133SDefrost Control board
PCBFM103SControl boardGoodmanAh
R40403-003Control boardST9120C2010
RF000129Control board
S1-031-03010-000Control boardYorkGas50A56-956
S1-03101264002Control boardYorkElec, Mobile Home
S8610U3009Control boardGas

Stock moves. This is what we carry as a rule, not a live inventory count — and we cannot check availability over the phone.

Handling a new board

Control boards are static sensitive, and static damage is usually latent — the board works, then fails weeks later, and everybody blames the part. Goodman publishes a four-step procedure and it is worth following:

1
Disconnect all power. Do not touch the control or any wire connected to it before discharging yourself.
2
Firmly touch a clean, unpainted metal surface of the furnace near the control. Tools in your hand discharge too.
3
Do not shuffle your feet or touch anything ungrounded while you work. If you do, touch bare metal again.
4
Discharge to ground before taking the new board out of its bag, and put the old board straight into that bag before you touch anything else.

Do not set a board on carpet or a vehicle seat. Keep it in the antistatic bag until the moment it goes in.

Label every wire before you disconnect it. White-Rodgers says it plainly — wiring errors cause improper and dangerous operation. Photograph the board in place first. And remember this is not a low-voltage device: the inducer, ignitor, blower and EAC terminals carry line voltage.

Frequently Asked Questions

My furnace is flashing a code. What part do I need?

There is no answer to that without knowing the brand. Flash codes are not standardised — six flashes means reversed polarity on a Trane and an open rollout or blown fuse on a Goodman. Read the legend on the label inside your blower door.

Can I put any board in that has the same terminals?

No. Two boards with matching terminals can still differ in safety timings, ignitor voltage, blower type and connector pinout. White-Rodgers name specific boards their own universal will not replace despite identical function.

Is there a universal board for my communicating system?

No. Carrier Infinity, Trane ComfortLink II and Lennox iComfort are serial bus systems where the components negotiate with each other. No aftermarket manufacturer makes a replacement for any of them — it has to be the OEM board.

The universal is cheaper than the OEM board. Any catch?

The catch is configuration. A universal is a board plus the correct harness plus the correct timing settings, and on a Resideo those settings are the safety timings set by DIP switch. Done properly it is a good part. Fitted without the configuration it is a liability.

My heat pump will not defrost. Is the board bad?

Often not. Sensor-based defrost controls depend on a coil thermistor and usually an ambient one. Test the sensors before the board — they are a fraction of the cost.

I replaced the board and it blew the fuse again.

Then the fault was never the board. A fuse that blows repeatedly is a low-voltage short — a chafed thermostat wire, a pinched wire at the condenser, or a shorted contactor or reversing valve coil.

Do you have my board in stock?

We carry the common Trane, Rheem, Goodman, Carrier, Lennox, York and Nordyne boards plus the universals. We cannot check stock or cross a board over the phone or by email. Bring the old board and the furnace model and serial number.

Bring the old board and the model number

Open To Public HVAC Parts — 10226 Plano Rd, Suite 104, Dallas, TX. Walk-in counter, open to homeowners and contractors alike. Bring the board itself, plus the furnace model and serial number, and we will work out whether you need the OEM part or whether a verified universal covers it.

In-store only. We do not ship, and we cannot cross parts over the phone or by email. We do not offer full diagnostic testing on control boards — there is no honest way to bench-test one across every brand’s sequence of operation.

Sources: ICM Controls official cross-reference guide LIAF309-2 and ICM2812-KIT guide LIAF321; White-Rodgers / Copeland spec sheets for 50A55-843, 50E47-843, 50M56U-843, 50M56X-843 and 21D83M-843; Resideo S9200U1000 installation instructions 69-2075EF; Goodman GMES9 service instructions; Lennox G40UH service literature; Ameristar M951 service facts; Carrier owner literature. Cross-references are the universal manufacturers’ own published lists and are given by them as functional equivalents requiring correct harness and configuration — not as drop-in matches. Compiled July 2026.

Related: How to replace a control board · Ignitor cross-reference · Gas valve cross-reference · Furnace not heating · Furnace short cycling