Switches & Sensors

Switches and sensors are the safety backbone of your HVAC system. Shop flame sensors, pressure switches, limit switches, sail switches, temperature sensors, and time-delay relays at our Dallas HVAC parts store.When your furnace locks out or your AC short-cycles, a faulty switch or sensor is often the culprit. Bring in the old part or your unit’s model number and we’ll get you the right match. Browse our repair tutorials for diagnostic help. Serving Dallas-Fort Worth homeowners and contractors.

Parts are in-store only — we don’t ship. Bring the old switch or sensor to the counter and we’ll match it while you wait.

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In-Store Pickup Only — Browse our catalog below, then visit us in Dallas or call (214) 340-9421 to purchase.

All parts 1,617 Equipment & Systems 119 Filters & Air Quality 106 Air Distribution 276 Furnace & Heating 51 Refrigeration 90 Thermostats & Zone Controls 23 Switches & Sensors 168 Electrical Components 277 Motors & Blower Parts 161 Tools & Supplies 349

REFINELIMIT SWITCH 83 PRESSURE SWITCH - FURNACE 24 FLAME SENSOR 20 HEAT SEQUENCER 16 PRESSURE SWITCH - REFRIGERANT 11 DOOR SWITCH 7 DRAIN SAFETY SWITCH 6 THERMAL LIMIT 1

Showing 1–48 of 168 results

In Stock
GOODMAN
0130F00010 – FLAME SENSOR (GOODMAN, FACTORY)
SKU · 0130F00010
$22.54
Goodman 0130F00010 flame sensor, factory OEM part. Fits Goodman and Amana furnaces including GMS80805CN and GMVC80805CN series. Also replaces B1172606.
Low Stock
GOODMAN
0130F00036 – AUTO LIMIT SWITCH (MICRO, LARGE BASE, L180°)
SKU · 0130F00036
$20.25
Automatic-reset temperature limit switch for Goodman/Amana furnaces, recorded as a micro-style switch on a large base with an L180 degree F opening point.
In Stock
GOODMAN
0130F00038S – AUTO LIMIT SWITCH (MICRO, LARGE BASE, L120°)
SKU · L45-224
$19.64
Goodman/Amana 0130F00038S auto reset limit switch, opens at 120°F. Large base, micro size. Direct OEM replacement — also crosses to B13701-13 and L45-224.
In Stock
GOODMAN
0130F00504 – FURNACE PRESSURE SWITCH (-0.60PF)
SKU · 0130F00504
$37.04
Goodman 0130F00504 furnace pressure switch, -0.60″ WC. OEM replacement for Goodman and Amana furnaces. Also cross-references B1370142.
Low Stock
GOODMAN
0130F00505 – FURNACE PRESSURE SWITCH (-0.70PF)
SKU · 0130F00505
$36.49
Goodman 0130F00505 furnace pressure switch, -0.70″ WC. Fits Goodman GMS80905CN series and others. Also replaces B1370158, 10727923, and 632432R.
In Stock
GOODMAN
0130F00506 – FURNACE PRESSURE SWITCH (-0.75PF)
SKU · 0130F00506
$37.72
Furnace air-proving pressure switch for Goodman/Amana gas furnaces, recorded at a -0.75 in. W.C. setpoint.
In Stock
GOODMAN
0130F00507 – FURNACE PRESSURE SWITCH (-0.80PF)
SKU · 0130F00507S
$36.50
Furnace air-proving pressure switch for Goodman/Amana gas furnaces, recorded at a -0.80 in. W.C. setpoint.
Low Stock
GOODMAN
0130F00508 – FURNACE DUAL PRESSURE SWITCH (-0.55 PF & -0.30 PF)
SKU · 0130F00508
$53.18
Goodman 0130F00508 dual furnace pressure switch, -0.55″ and -0.30″ WC. Two-stage switch for Goodman, Amana, and Janitrol furnaces with two-stage inducer motors.
Low Stock
GOODMAN
0130F00574 – PRESSURE SWITCH
SKU · 0130F00574
$55.57
Air-proving (draft) pressure switch used on Goodman/Amana gas furnaces. It senses negative pressure produced by the inducer blower and closes to allow the ignition sequence to proceed, keeping the burner from firing if venting is blocked or the inducer is not moving air.
Low Stock
UNIVERSAL
0130M00089SP – HIGH PRESSURE SWITCH
SKU · 0130M00089SP
$53.28
Refrigerant-side high pressure cutout switch for Goodman / Amana equipment. It is a safety device in the 24 V control circuit: contacts open when discharge pressure climbs too high – dirty condenser, failed condenser fan, or overcharge – shutting the compressor down before damage occurs.
In Stock
GOODMAN
0130M00243 – DOOR INTERLOCK SWITCH (GOODMAN)
SKU · 10690402S
$19.40
Goodman 0130M00243 furnace door safety switch. Kills power when the access panel is removed. OEM replacement for multiple Goodman/Amana furnace models.
Low Stock
UNIVERSAL
02532607000 – HIGH LIMIT SWITCH
SKU · 02532607000
$31.99
York / Coleman / Luxaire auto-reset high limit switch with a 3 in. insertion probe, opening at 185°F on temperature rise and reclosing at 155°F.
Low Stock
NORDYNE
1010775R – FURNACE PRESSURE SWITCH (2 HOSE, -0.20)
SKU · 632453
$53.58
Nordyne 1010775R furnace pressure switch, -0.20″ WC, two hose ports. Fits Nordyne, Intertherm, and Miller furnaces. Also listed as 632453.
Low Stock
LENNOX
102317-01 – DOOR INTERLOCK SWITCH (LENNOX, 51W15)
SKU · 102317-01
$29.56
Lennox door interlock switch, catalog number 51W15, described by Lennox as a single pole normally open interlock switch.
Low Stock
AMANA
10735201 – FLAME SENSOR (AMANA)
SKU · 10735201 - FLAME SENSOR
$22.86
Amana 10735201 flame sensor with 90-degree bend and single mounting hole. Fits Amana, Goodman, and Janitrol furnace models. OEM replacement part.
Low Stock
GOODMAN
1370912S – HIGH LIMIT SWITCH (7″, L240°)
SKU · 1370912S
$47.09
Goodman 1370912S high limit switch with 7-inch insertion, opens at 240°F. OEM replacement for Goodman/Amana furnaces. Replaces older part 1370912.
Low Stock
LENNOX
18G89 – FLAME SENSOR (LENNOX)
SKU · 18G89
$23.17
Lennox 18G89 flame sensor for Lennox and Armstrong furnaces. OEM replacement with straight probe design. Also cross-references RS36453B001.
Out of Stock
LENNOX
20467101 – FLAME SENSOR (52M72)
SKU · 52M72
$32.39
Lennox 52M72 flame sensor (part 20467101). Genuine OEM replacement for Lennox furnaces. Detects burner flame to keep your furnace running safely.
In Stock
PACKARD
22236 – THERMOCOUPLE (36″)
SKU · TH198036
$15.98
36-inch universal thermocouple for gas furnaces and water heaters. Stainless steel with universal adapter fittings. Fits most standing-pilot gas appliances.
Low Stock
LENNOX
23767-70 – ICECUBE RELAY (LENNOX, 67K65)*
SKU · 67K65
$66.59
Flange-mount DPDT ice cube style relay sold by Lennox under catalog number 67K65, with Lennox listing Deltrol Controls as the brand and 23767-70 as the model number.
Low Stock
RHEEM
42-101225-81 – FURNACE PRESSURE SWITCH (-0.35PF)
SKU · 42-101225-81
$89.45
Rheem 42-101225-81 furnace pressure switch, -0.35″ WC. OEM replacement for Rheem and Ruud gas furnaces. Monitors inducer draft for safe ignition.
Low Stock
RHEEM
42-101233-81 – FURNACE PRESSURE SWITCH (-0.35PF)
SKU · 42-101233-81
$56.59
Rheem 42-101233-81 furnace pressure switch, -0.35″ WC. OEM for Rheem/Ruud RGPJ series furnaces. Also replaces 42-24194-01 and 42-24194-01K.
In Stock
RHEEM
42-105583-04 – FURNACE PRESSURE SWITCH (-0.40PF)
SKU · 42-105583-04
$34.21
Rheem 42-105583-04 furnace pressure switch, -0.40″ WC. OEM replacement for Rheem and Ruud gas furnaces. Verifies inducer draft before ignition.
Low Stock
RHEEM
42-105601-29 – FURNACE PRESSURE SWITCH (-0.20PF)
SKU · HK06WC090 - CAN WORK FOR CARRIER
$34.21
Rheem 42-105601-29 furnace pressure switch, -0.20″ WC. OEM Rheem part that also cross-references to Carrier HK06WC090. Works in both Rheem and Carrier furnaces.
In Stock
RHEEM
42-22692-06 – DOOR INTERLOCK SWITCH (RHEEM, YORK)
SKU · 42-22692-06
$21.99
Rheem 42-22692-06 furnace door safety switch. SPST normally open, push-button style. Shuts off the furnace when the access panel is removed. Also fits York.
In Stock
RHEEM
42-23116-01 – HEAT SEQUENCER (SPST)
SKU · 42-23116-01
$38.26
24V SPST heat sequencer. OEM Rheem/Ruud part for electric furnaces. Single-pole single-throw configuration for staging one heating element.
Low Stock
TRUELINE
42-23116-06 – HEAT SEQUENCER (DPST)
SKU · 42-23116-06
$36.92
24V DPST heat sequencer. OEM Rheem/Ruud part for electric furnaces. Double-pole single-throw for controlling two circuits simultaneously.
Low Stock
RHEEM
42-23116-07 – HEAT SEQUENCER (TPST)
SKU · 42-23116-07
$37.16
24V TPST heat sequencer. OEM Rheem/Ruud part for electric furnaces. Triple-pole single-throw for staging three circuits on timed delay.
Low Stock
RHEEM
42-23116-08 – HEAT SEQUENCER (DPST)
SKU · 42-23116-08
$31.02
24V DPST heat sequencer. OEM Rheem/Ruud part for electric furnaces. Double-pole single-throw configuration. Different timing than 42-23116-06.
Low Stock
RHEEM
42-23116-09 – HEAT SEQUENCER (TPST)
SKU · 42-23116-09
$40.27
24V TPST heat sequencer. OEM Rheem/Ruud part for electric furnaces. Triple-pole single-throw for staging three circuits. Different timing than 42-23116-07.
Low Stock
RHEEM
42-24194-82 – FURNACE PRESSURE SWITCH (-0.30PF)
SKU · 42-106257-01
$56.73
Rheem 42-24194-82 furnace pressure switch, -0.30″ WC. OEM for Rheem and Ruud furnaces. Also listed as 42-106257-01. Monitors inducer draft for safe operation.
Low Stock
RHEEM
47-104990-04 – HIGH TEMPERATURE LIMIT SWITCH (3″, ODD BASE, L150°)
SKU · 47-104990-04
$34.19
Rheem 47-104990-04 high limit switch, 3-inch insertion, odd base, opens at 150°F. Auto reset. OEM replacement for Rheem and Ruud furnaces.
Low Stock
RHEEM
47-22860-01 – AUTO LIMIT SWITCH WITH ANTICIPATOR (RHEEM, L105°)
SKU · 47-22860-01
$34.34
Rheem 47-22860-01 auto reset limit switch with built-in anticipator, opens at 105°F. OEM for Rheem and Ruud furnaces. Low-temp cutoff for heat pump applications.
Low Stock
RHEEM
47-22860-02 – AUTO LIMIT SWITCH WITH ANTICIPATOR (RHEEM, L110°)
SKU · 47-22860-02
$28.60
Rheem 47-22860-02 auto reset limit switch with built-in anticipator, opens at 110°F. Replaces 47-22860-06. OEM for Rheem and Ruud furnaces.
In Stock
RHEEM
47-22861-03 – LIMIT SWITCH (RHEEM, MICRO, WIDE MOUNT, L250°)
SKU · 47-22861-03
$15.93
Rheem 47-22861-03 manual reset limit switch, opens at 250°F. Wide mount, micro size. OEM flame rollout switch for Rheem and Ruud furnaces.
Low Stock
RHEEM
47-25349-01K – HIGH TEMPERATURE LIMIT SWITCH (3″, ODD BASE, L160°)
SKU · 47-25349-01K
$27.90
Rheem 47-25349-01 high limit switch, 3-inch insertion, odd base, opens at 160°F. Auto reset. Kit version (47-25349-01K). OEM for Rheem and Ruud furnaces.
Low Stock
RHEEM
47-25349-03 – HIGH TEMPERATURE LIMIT SWITCH (3″, ODD BASE, L150°)
SKU · 47-25349-03
$29.48
Rheem 47-25349-03 high limit switch, 3-inch insertion, odd base, opens at 150°F. Auto reset. OEM replacement for Rheem and Ruud furnaces.
In Stock
SUPCO
51M14 – FLAME SENSOR (LENNOX, AFTERMARKET, DIRECT, FLS51M14)
SKU · 51M14
$23.18
Lennox 51M14 flame sensor, single-prong design. Aftermarket direct replacement for multiple Lennox furnace models. Also listed as FLS51M14.
In Stock
SUPCO
52W29 – FLAME SENSOR (LENNOX, AFTERMARKET, DIRECT, FLS52W29)
SKU · 52W29
$23.18
Lennox 52W29 flame sensor kit with straight probe. Aftermarket direct replacement for Lennox furnaces. Also listed as FLS52W29.
Low Stock
HONEYWELL
5D51-35 – FAN & LIMIT CONTROL (5″)
SKU · L4064B2228
$161.37
Honeywell L4064B2228 fan and limit control with 5-inch element. Adjustable fan differential and fixed high-limit safety cutoff. For older furnaces without electronic controls.
Low Stock
HONEYWELL
5D51-78 – FAN & LIMIT CONTROL (11″)
SKU · 5D51-78
$167.57
Honeywell L4064B2210 fan and limit control with 11-inch element. Adjustable fan differential and fixed high-limit safety cutoff. For older furnaces without electronic controls.
Low Stock
HONEYWELL
5D51-90 – FAN & LIMIT CONTROL (8″)
SKU · 5D51-90
$163.37
Honeywell L4064B2236 fan and limit control with 8-inch element. Adjustable fan differential and fixed high-limit safety cutoff. For older furnaces without electronic controls.
Low Stock
UNIVERSAL
60M61 – ROLLOUT SWITCH
SKU · 60M61
$29.70
Flame rollout switch – a safety control that trips when flames roll out of the burner box, cutting the gas valve circuit.
In Stock
RHEEM
62-23543-01 – FLAME SENSOR (RHEEM)
SKU · FLS301
$20.87
Rheem 62-23543-01 flame sensor replacement. Fits Rheem and Ruud furnace models including RGPH and UGPH series. Aftermarket direct fit, listed as FLS301.
Out of Stock
RHEEM
62-24044-71 – FLAME SENSOR RETROFIT KIT (RHEEM)
SKU · 62-24044-71
$66.81
Rheem 62-24044-71 non-integrated flame sensor retrofit kit. Upgrades older Rheem/Ruud furnaces to a standalone flame sensor. OEM kit with all hardware included.
Low Stock
NORDYNE
626404R – DOUBLE STACK LIMIT SWITCH (L145°)
SKU · 626404R
$41.93
Nordyne 626404R double-pole limit switch, opens at 145°F. Dual-stack design for Nordyne, Miller, and Intertherm furnaces. Also listed as 626404.
Low Stock
NORDYNE
626458R – DOUBLE STACK LIMIT SWITCH (L190°)
SKU · 626458
$42.58
Nordyne 626458R double-pole limit switch, opens at 190°F. Dual-stack design for Nordyne, Miller, and Intertherm furnaces. Also listed as 626458.
In Stock
NORTEK
632484R – FLAME SENSOR (NORTEK)
SKU · 632484
$43.99
Nortek 632484R flame sensor for Nortek and Broan furnaces. OEM replacement part. Also fits Intertherm, Miller, and Nordyne branded units.

Showing 48 of 168 parts

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