Electrical Components

Keep your system running safely with quality electrical components from our Dallas HVAC parts store. Browse our selection of capacitors, contactors, control boards, transformers, fuses, relays, circuit breakers, surge protectors, wire, and conduit. Capacitors and control boards are among the most common AC repairs — we stock a wide range of sizes and brands so you can get the exact match for your unit.Not sure which capacitor or contactor you need? Bring in your old part or your unit’s model number — our technicians will match it on the spot. We also offer free video tutorials on testing and replacing electrical components. Serving the Dallas-Fort Worth area since 1998.

Everything is in-store only — we don’t ship. Walk in with your old capacitor or contactor, we’ll test it free at the counter, and you’ll leave with the right replacement the same day.

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We test parts at the counter and match the right replacement. Walk in or call ahead.

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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

REFINECAPACITOR 100 CONTROL BOARD 81 FUSE 31 WIRE 19 FAN RELAY 12 CONTACTOR 9 CONDUIT 8 SURGE PROTECTOR 8 TRANSFORMER 5 TIME DELAY RELAY 2 CIRCUIT BREAKER 2

Showing 145–192 of 277 results

In Stock
TITAN HD
70/5/440 – DUAL CAPACITOR (ROUND, MADE IN USA)
SKU · PRCFD705A
$48.93
70+5 MFD 440V dual run capacitor. Powers both the compressor and condenser fan motor. Fits most residential AC systems. American-made by Titan HD.
In Stock
TITAN HD
70/7.5/440 – DUAL CAPACITOR (ROUND, MADE IN USA)
SKU · PRCFD7075A
$50.27
70+7.5 MFD 440V dual run capacitor. Powers both the compressor and condenser fan motor. Fits most residential AC systems. American-made by Titan HD.
In Stock
SUPCO
70+10X440 – DUAL CAPACITOR (ROUND, MADE OVERSEAS)
SKU · 70+10X440
$33.96
70+10 MFD 440V dual run capacitor. Powers both the compressor and condenser fan motor. Budget-friendly Supco replacement for residential AC.
In Stock
SUPCO
70+5X440 – DUAL CAPACITOR (ROUND, MADE OVERSEAS)
SKU · 70+5X440
$33.53
70+5 MFD 440V dual run capacitor. Powers both the compressor and condenser fan motor. Budget-friendly Supco replacement for residential AC.
In Stock
TRUELINE
70+7.5X440 – DUAL CAPACITOR (ROUND, MADE OVERSEAS)
SKU · 70+7.5X440
$30.80
70+7.5 MFD 440V dual run capacitor. Powers both the compressor and condenser fan motor. Budget-friendly TrueLine replacement for residential AC.
Low Stock
MARS
75/10/440 – DUAL CAPACITOR (ROUND, MADE IN MEXICO)
SKU · 100335-51
$48.86
75+10 MFD 440V dual run capacitor. Powers the compressor and condenser fan on larger 4-5 ton AC systems. Direct replacement for Lennox 100335-51.
Low Stock
TITAN HD
80/10/440 – DUAL CAPACITOR (ROUND, MADE IN USA)
SKU · PRCFD8010A
$57.50
80+10 MFD 440V dual run capacitor. Powers both the compressor and condenser fan motor. Fits most residential AC systems. American-made by Titan HD.
In Stock
TITAN HD
80/440 – CAPACITOR (ROUND, MADE IN USA)
SKU · PRCF80A
$33.37
80 MFD 440V round run capacitor. Powers a single motor — compressor or fan. American-made by Titan HD with 60,000-hour rated life.
In Stock
TITAN HD
80/5/440 – DUAL CAPACITOR (ROUND, MADE IN USA)
SKU · PRCFD805A
$53.93
80+5 MFD 440V dual run capacitor. Powers both the compressor and condenser fan motor. Fits most residential AC systems. American-made by Titan HD.
In Stock
TITAN HD
80/7.5/440 – DUAL CAPACITOR (ROUND, MADE IN USA)
SKU · PRCFD8075A
$54.64
80+7.5 MFD 440V dual run capacitor. Powers both the compressor and condenser fan motor. Fits most residential AC systems. American-made by Titan HD.
In Stock
SUPCO
80+10X440 – DUAL CAPACITOR (ROUND, MADE OVERSEAS)
SKU · 80+10X440
$35.26
80+10 MFD 440V dual run capacitor. Powers both the compressor and condenser fan motor. Budget-friendly Supco replacement for residential AC.
In Stock
SUPCO
80+5X440 – DUAL CAPACITOR (ROUND, MADE OVERSEAS)
SKU · 80+5X440
$34.20
80+5 MFD 440V dual run capacitor. Powers both the compressor and condenser fan motor. Budget-friendly Supco replacement for residential AC.
Low Stock
TRUELINE
80+7.5X440 – DUAL CAPACITOR (ROUND, MADE OVERSEAS)
SKU · 80+7.5X440
$32.45
80+7.5 MFD 440V dual run capacitor. Powers both the compressor and condenser fan motor. Budget-friendly TrueLine replacement for residential AC.
Low Stock
SUPCO
80M29 – IGNITOR (METAL, LENNOX, AFTERMARKET, DIRECT, SSN2901)
SKU · 767A-380
$58.76
Lennox 80M29 aftermarket ignitor replacement. 120V hot surface ignitor for Lennox, Armstrong, and Ducane furnaces. Supco SSN2901 — direct drop-in.
Low Stock
LENNOX
81W03 – CONTROL BOARD*
SKU · 81W03
$243.41
Lennox 81W03 ignition control board. OEM replacement for Lennox furnaces. Manages ignition sequence and heating cycles. Replaces 75M17 and 78M47.
In Stock
SONG CHUAN
832AW-1A-C1 – RELAY (VDC)
SKU · 832AW-1A-C1
$24.50
Song Chuan 832 series heavy duty general purpose power relay in the 832AW quick-terminal, flanged-cover configuration with a 1A single-pole normally open contact using AgSnO contact material.
In Stock
ICM
83M00 – CONTROL BOARD (LENNOX, GAS, AFTERMARKET, DIRECT, ICM2813)
SKU · 83M00
$230.16
ICM2813 aftermarket control board for Lennox SureLight furnaces. Direct replacement for 83M00 and dozens of Lennox part numbers. Fits single and 2-stage models.
In Stock
TITAN PRO
88-108330 – START CAPACITOR (W/ RESISTOR)
SKU · 88-108330
$19.73
108-130 MFD 330V start capacitor with bleed resistor. Gives the compressor an extra boost on startup. Resistor is built in — no separate wiring needed.
In Stock
FIRST CO
9-115-34-1 – FUSE LINK ASSEMBLY (FIRST CO, N951-1)
SKU · FIRST COMPANY
$11.84
First Company 9-115-34-1 thermal fuse link assembly. 25 Amp, opens at 300°F. Ceramic body with stake-on terminals. Safety device for First Company HX coil units.
In Stock
ICM
903106 – CONTROL BOARD (NORTEK, GAS, AFTERMARKET, DIRECT, ICM2805A)
SKU · 903106
$142.63
Nortek 903106 gas furnace control board (ICM2805A aftermarket). Direct replacement for Nortek/Frigidaire furnaces. Manages ignition and blower operations.
In Stock
PACKARD
90340 – RELAY (DPDT, 24V COIL)
SKU · ELE-90340
$21.03
24V DPDT fan relay (90340). Controls the indoor blower fan in heating and cooling modes. Quick-connect terminals, multi-position mounting. Universal replacement.
In Stock
PACKARD
90370 – RELAY (SPDT, 24V COIL)
SKU · PR370
$20.50
24V SPDT fan relay (90370). Controls the indoor blower fan. Quick-connect terminals with multi-position mounting. Universal replacement for many furnaces.
In Stock
PACKARD
90380 – RELAY (SPST, 24V COIL)
SKU · ELE-90380
$20.68
24V SPST fan relay (90380). Controls the indoor blower fan on/off. Quick-connect terminals, universal mounting. One of the most common HVAC relay types.
Low Stock
PACKARD
90384 – RELAY (SPST, 240V COIL)
SKU · 104774-01
$45.01
Type 184 switching fan relay with a 208/240 VAC coil and SPNO/SPNC contacts, 25 A resistive. Packard PR384. Replaces Lennox 104774-01 / 15D60.
Low Stock
NORTEK
903915A – CONTROL BOARD (NORDYNE)
SKU · 624643
$139.92
Nordyne 903915A control board. OEM replacement for Nordyne gas furnaces. Also sold under part number 624643. Manages ignition, blower, and safety functions.
Low Stock
NORDYNE
920915 – CONTROL BOARD (G7/M7)
SKU · 624742, 624844
$159.99
Nortek 920915 control board for G7 and M7 series furnaces. OEM replacement. Also sold as 624742, 624844, and 904840. Manages ignition and blower control.
In Stock
SUPCO
B1370738 – FAN SWITCHING RELAY/SEQUENCER (GOODMAN, AFTERMARKET, DIRECT, Q108)
SKU · Q108
$32.60
Goodman B1370738 fan switching relay/sequencer (Q108 aftermarket). 24V SPDT. Controls the blower fan timing in Goodman and Amana furnaces.
In Stock
WHITE-RODGERS
B1809913S – CONTROL BOARD (GOODMAN, AFTERMARKET, DIRECT, 50T35-743)
SKU · 50T35-743
$180.50
Goodman B1809913S control board (50T35-743 / ICM280 aftermarket). Fits GMP and GMT series Goodman furnaces. Direct OEM replacement for older B18099 revisions.
In Stock
SOUTHWIRE
BP18-8 – THERMOSTAT WIRE ROLL (18G, 8W, 250′)
SKU · TWR188
$164.18
18/8 thermostat wire, 250-foot roll. Eight conductors for multi-stage or heat pump systems with accessories. UV-resistant PVC jacket. Covers most residential runs.
Low Stock
AMERICAN STANDARD
BRD05765 – CONTROL BOARD (AMERISTAR)
SKU · BRD5765
$197.59
Ameristar BRD05765 control board. OEM replacement for Ameristar air handlers. Replaces BRD04300, BRD4300, and BRD5765. Controls blower and system functions.
In Stock
SUPCO
BRK3 – RESETABLE FUSE (3 AMP)
SKU · BRK3
$21.66
Supco BRK3 resettable 3 Amp diagnostic fuse for HVAC low-voltage circuits. Built-in light shows when circuit is active. Resets instead of blowing — saves time troubleshooting.
Low Stock
SUPCO
BRK5 – RESETABLE FUSE (5 AMP)
SKU · BRK5
$21.66
Supco BRK5 resettable 5 Amp diagnostic fuse for HVAC low-voltage circuits. Built-in light shows circuit activity. Trips and resets without blowing — great for troubleshooting.
Low Stock
ICM
CESO110057-02 – CONTROL BOARD (CARRIER, AFTERMARKET, DIRECT, 50M56D-751)
SKU · CESO110057-00, CESO110057-01, CESO110057-02
$199.92
Carrier CESO110057-02 control board (ICM281C / 50M56D-751 aftermarket). Fits Carrier single-stage furnaces. Replaces all CESO110057 revisions.
Low Stock
TRANE
CNT03600 – CONTROL BOARD (ECM, AIR HANDLER)
SKU · CNT03600
$148.94
Trane/American Standard OEM printed wiring board with a 16-pin connector. Trane Supply lists the part with the description "CONTROL; ICM FAN, PWB, 16 PIN" and files it under Furnace Control Boards.
In Stock
WHITE-RODGERS
CNT03797 – CONTROL BOARD (TRANE, 120V, AFTERMARKET, DIRECT, 50A55-3797)
SKU · CNT03797
$195.26
Trane CNT03797 control board (50A55-3797 aftermarket). 120V integrated furnace control for Trane and American Standard systems. Replaces dozens of CNT numbers.
Low Stock
TRANE
CNT05001 – DEFROST CONTROL BOARD (OEM, TRANE)
SKU · CNT05001
$150.77
Trane CNT05001 defrost control board for heat pumps. Controls defrost cycle timing to prevent frost buildup on outdoor coil. OEM Trane part.
In Stock
WHITE-RODGERS
CNT05165 – CONTROL BOARD (TRANE, 80V HSI, AFTERMARKET, DIRECT, 50A65-5165)
SKU · CNT05165
$195.70
Trane CNT05165 control board (50A65-5165 aftermarket). 80V HSI integrated furnace control for Trane and American Standard systems. Replaces CNT03076 and more.
Low Stock
TRANE
CNT05482 – DEFROST CONTROL BOARD (OEM, TRANE)
SKU · CNT5482
$149.63
Trane CNT05482 defrost control board for heat pumps. Controls defrost cycle timing to prevent frost buildup on outdoor coil. OEM Trane part.
Low Stock
TRANE
CNT07737 – CONTROL BOARD (OEM, TRANE, CONSTANT TORQUE)
SKU · CNT7737
$220.14
Trane CNT07737 OEM control board for furnaces with constant torque motors. Replaces CNT04711. Fits TUD1C series and similar Trane/American Standard models.
Low Stock
TRANE
CNT09646 – CONTROL BOARD (OEM, TRANE, S8X1 SERIES)
SKU · CNT07639
$207.23
Trane CNT09646 (replaces CNT07639, CNT07872) OEM control board for S8X1 series furnaces. Manages ignition, blower, and system safety for Trane furnaces.
Low Stock
TRANE
CNT09648 – CONTROL BOARD (OEM, TRANE, A801X)
SKU · CNT09648
$183.63
Trane CNT09648 OEM control board for A801X series furnaces. Replaces earlier CNT07940 revision. Full system management with LED diagnostic codes.
Low Stock
UNIVERSAL
DPBT – DOUBLE PIGGYBACK TERMINALS (TWO MALE TERMINALS, 2 PIGGYBACK, 20 PACK)
SKU · DPBT
$8.99
Double piggyback terminals – two male tabs with two piggyback positions for adding circuits to an existing push-on connection.
Low Stock
WAGNER
DSP-1 – SINGLE PHASE LINE VOLTAGE MONITOR MOTOR PROTECTOR
SKU · DSP-1
$96.75
DiversiTech Wagner digital single-phase motor protector that shields motors and appliances from damage caused by voltage surges and sags, blackouts and rapid restarts.
Low Stock
WAGNER
DTP-3 – THREE PHASE LINE VOLTAGE MONITOR MOTOR PROTECTOR
SKU · DTP-3
$226.63
DiversiTech Wagner digital three-phase motor protector that continuously monitors line voltage and trips to protect compressors, motors and other sensitive loads from voltage anomalies.
Low Stock
SUPCO
FC4031 – UNIVERSAL FAN CENTER (120V, 208V, or 240V)
SKU · fc4031
$60.20
Supco FC4031 universal fan center. Built-in 40VA transformer (120/208/240V to 24V) plus DPDT relay in one unit. Replaces separate transformer and relay combos.
In Stock
EATON
FUS02295 – FUSE (TRANE)
SKU · FUS02295
$15.10
Trane FUS02295 time-delay fuse. 3.2A, 300V. Allows brief startup surges without blowing. OEM fuse for Trane furnace and air handler control boards.
In Stock
CARRIER
HK32EA007 – DEFROST CONTROL BOARD
SKU · HK32EA007
$97.06
Carrier HK32EA007 defrost control board for heat pumps. Manages defrost cycles to prevent coil freezing. Replaces HK32EA001. OEM Carrier/Bryant/Payne.
Low Stock
CARRIER
HK32EA008 – DEFROST BOARD (1185790)
SKU · HK32EA008
$259.11
Defrost control board for Carrier, Bryant and Payne heat pumps, recorded internally as 1185790. The board times and terminates the defrost cycle, switching the reversing valve and cycling the outdoor fan based on the defrost thermostat and accumulated run time.

Showing 192 of 277 parts

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