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Switches & Sensors

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Showing 1–48 of 132 results

  • In StockHH12ZB160 - HIGH LIMIT SWITCH (3, L160°)
    UNIVERSAL

    HH12ZB160 – HIGH LIMIT SWITCH (3″, L160°)

    SKU · SWT01257
    $41.90

    Carrier HH12ZB160 high limit switch, 3-inch insertion, opens at 160°F. Auto reset. Crosses to Trane SWT01257. For Carrier, Bryant, Payne, and Trane furnaces.

  • Low Stock88K09 - HEAT SEQUENCER (TRIPLE STACKED)
    UNIVERSAL

    88K09 – HEAT SEQUENCER (TRIPLE STACKED)

    SKU · 88K09
    $74.93

    24V triple-stacked heat sequencer for Lennox electric furnaces. Thermal time delay relay that stages heating elements and fan activation.

  • Low Stock42-101233-81 - FURNACE PRESSURE SWITCH (-0.35PF)
    UNIVERSAL

    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 StockAT014 - ADJUSTABLE DISC LIMIT SWITCH (210° to 250°)
    UNIVERSAL

    AT014 – ADJUSTABLE DISC LIMIT SWITCH (210° to 250°)

    SKU · ELE-AT014
    $22.91

    Supco AT014 adjustable disc limit switch, 210°F to 250°F range. SPST open-on-rise. Crosses to PT014. Universal fit for furnaces and heating equipment.

  • In StockB1370110 - MANUAL LIMIT SWITCH (MICRO, LARGE BASE, 330°)
    UNIVERSAL

    B1370110 – MANUAL LIMIT SWITCH (MICRO, LARGE BASE, 330°)

    SKU · B1370110
    $19.67

    Goodman B1370110 manual reset rollout limit switch, opens at 330°F. Large base, micro size. OEM flame rollout safety switch for Goodman/Amana furnaces.

  • In StockMML220 - MANUAL LIMIT SWITCH (220°)
    UNIVERSAL

    MML220 – MANUAL LIMIT SWITCH (MICRO, 220°)

    SKU · PRL220
    $14.97

    Manual reset micro limit switch, opens at 220°F. Push-button reset after trip. Universal replacement — fits most furnaces and heaters using a micro-base L220 switch.

  • In Stock42-22692-06 - DOOR INTERLOCK SWITCH (RHEEM, YORK)
    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 StockBG101 - FLOAT SWITCH (SECONDARY, PAN CLIP)
    UNIVERSAL

    BG101 – FLOAT SWITCH (SECONDARY, PAN CLIP)

    SKU · BG101
    $21.24

    BG-101 secondary float switch with pan clip mount. Clips to the secondary drain pan and shuts off your AC if the pan fills with water. Prevents overflow damage.

  • Low Stock5D51-78 - FAN LIMIT CONTROL (11)
    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.

  • In StockHS2P1S - HEAT SEQUENCER (DPDT, Q103)
    UNIVERSAL

    HS2P1S – HEAT SEQUENCER (DPDT, Q103)

    SKU · Q103
    $29.45

    24V DPDT heat sequencer (2 switches). Supco Q103. Controls a heating element and a blower motor on timed delays. Replaces 24A34-3.

  • In StockSLS160 - TEMPERATURE LIMIT SWITCH (MICRO, AUTO, L160°)
    UNIVERSAL

    SLS160 – AUTO LIMIT SWITCH (MICRO, L160°)

    SKU · MAL160
    $15.01

    Supco SLS160 auto reset micro limit switch, opens at 160°F, closes at 120°F. Compact design with angled terminals. Universal fit for furnaces and unit heaters.

  • In StockSLS150 - TEMPERATURE LIMIT SWITCH (MICRO, AUTO, L150°)
    UNIVERSAL

    SLS150 – AUTO LIMIT SWITCH (MICRO, L150°)

    SKU · MAL150
    $15.01

    Supco SLS150 auto reset micro limit switch, opens at 150°F, closes at 110°F. Compact design with angled terminals. Universal fit for furnaces and unit heaters.

  • Low Stock42-23116-08 - HEAT SEQUENCER (DPST)
    UNIVERSAL

    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.

  • In StockSLS140 - TEMPERATURE LIMIT SWITCH (MICRO, AUTO, L140°)
    UNIVERSAL

    SLS140 – AUTO LIMIT SWITCH (MICRO, L140°)

    SKU · MAL140
    $15.01

    Supco SLS140 auto reset micro limit switch, opens at 140°F, closes at 100°F. Compact design with angled terminals. Universal fit for furnaces and unit heaters.

  • In StockSHL514 - HIGH TEMPERATURE LIMIT SWITCH (3, L180°)
    UNIVERSAL

    SHL514 – HIGH TEMPERATURE LIMIT SWITCH (3″, L180°)

    SKU · SHL514
    $35.14

    Supco SHL514 high limit switch, 3-inch insertion, opens at 180°F, closes at 140°F. Auto reset. Crosses to Carrier HH12ZB180. Universal furnace replacement.

  • Low Stock47-104990-04 - HIGH TEMPERATURE LIMIT SWITCH (3, ODD BASE, L150°)
    UNIVERSAL

    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.

  • In StockMML230 - MANUAL LIMIT SWITCH (230°)
    UNIVERSAL

    MML230 – MANUAL LIMIT SWITCH (MICRO, 230°)

    SKU · PRL230
    $14.97

    Manual reset micro limit switch, opens at 230°F. Push-button reset after trip. Universal replacement for Supco SRL230 and Packard PRL130. Fits most residential furnaces.

  • In StockHH18HA452 - MANUAL LIMIT SWITCH (MICRO, LARGE BASE, L250°)
    UNIVERSAL

    HH18HA452 – MANUAL LIMIT SWITCH (MICRO, LARGE BASE, L250°)

    SKU · HH18HA452
    $26.00

    Carrier HH18HA452 manual reset rollout limit switch, opens at 250°F. Large base, micro size. OEM flame rollout switch for Carrier, Bryant, and Payne furnaces.

  • Low StockSHL518 - HIGH TEMPERATURE LIMIT SWITCH (3, L250°)
    UNIVERSAL

    SHL518 – HIGH TEMPERATURE LIMIT SWITCH (3″, L250°)

    SKU · SHL518
    $35.14

    Supco SHL518 high limit switch, 3-inch insertion, opens at 250°F, closes at 210°F. Auto reset. Crosses to Carrier HH12ZB250. Universal furnace replacement.

  • In StockSLS170 - TEMPERATURE LIMIT SWITCH (MICRO, AUTO, L170°)
    UNIVERSAL

    SLS170 – AUTO LIMIT SWITCH (MICRO, L170°)

    SKU · MAL170
    $15.01

    Supco SLS170 auto reset micro limit switch, opens at 170°F, closes at 130°F. Compact design with angled terminals. Universal fit for furnaces and unit heaters.

  • Low Stock0130F00505 - FURNACE PRESSURE SWITCH (-0.70PF)
    UNIVERSAL

    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.

  • Low StockHH18HA499 - AUTO LIMIT SWITCH (MICRO, LARGE BASE, L165°)
    UNIVERSAL

    HH18HA499 – AUTO LIMIT SWITCH (MICRO, LARGE BASE, L165°)

    SKU · HH18HA499
    $24.44

    Carrier HH18HA499 auto reset limit switch, opens at 165°F, closes at 125°F. Large base, micro size. Crosses to HH18HA169, HH18HA508, 20162903. OEM Carrier part.

  • Low Stock42-23116-06 - HEAT SEQUENCER (DPST)
    UNIVERSAL

    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 StockB1370126 - FURNACE PRESSURE SWITCH (-0.40PF)
    UNIVERSAL

    B1370126 – FURNACE PRESSURE SWITCH (-0.40PF)

    SKU · B1370126
    $49.06

    Goodman B1370126 furnace pressure switch, -0.40″ WC. OEM replacement for Goodman furnaces. Also replaces 20055506 and R102614-01.

  • Low StockHH12ZB150 - HIGH LIMIT SWITCH (3, L150°)
    UNIVERSAL

    HH12ZB150 – HIGH LIMIT SWITCH (3″, L150°)

    SKU · HH12ZB150
    $39.47

    Carrier HH12ZB150 high limit switch, 3-inch insertion, opens at 150°F. Auto reset. Crosses to Trane SWT01280. For Carrier, Bryant, Payne, and Trane furnaces.

  • Low Stock47-22860-01 - AUTO LIMIT SWITCH WITH ANTICIPATOR (RHEEM, L105°)
    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.

  • In StockHVAC flame sensor replacement part
    TRANE

    SEN01114 – FLAME SENSOR (TRANE)

    SKU · SEN01114
    $22.12

    Trane flame sensor, direct OEM replacement. Fits multiple Trane/American Standard furnace models. Replaces SEN0337, SEN0441, SEN0491. Stainless steel rod with ceramic insulator.

  • Low StockSLP3560 - REFRIGERANT LOW PRESSURE SWITCH (OPEN @ 35 PSI)
    UNIVERSAL

    SLP3560 – REFRIGERANT LOW PRESSURE SWITCH (OPEN @ 35 PSI)

    SKU · PLP3560
    $32.05

    Supco low-pressure switch — opens at 35 PSI, closes at 60 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from low refrigerant pressure.

  • In StockHS1P2S - HEAT SEQUENCER (SPST, Q102)
    UNIVERSAL

    HS1P2S – HEAT SEQUENCER (SPST, Q102)

    SKU · NS102
    $28.40

    24V SPST heat sequencer (1 switch). Supco Q102. Longer delay timing than Q101. Controls one heating element or blower in electric furnaces.

  • Low StockSLP2565 - REFRIGERANT LOW PRESSURE SWITCH (OPEN @ 25 PSI)
    UNIVERSAL

    SLP2565 – REFRIGERANT LOW PRESSURE SWITCH (OPEN @ 25 PSI)

    SKU · PLP2565
    $32.05

    Supco low-pressure switch — opens at 25 PSI, closes at 65 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from low refrigerant pressure.

  • Low StockTH198018 - THERMOCOUPLE (18)
    UNIVERSAL

    TH198018 – THERMOCOUPLE (18″)

    SKU · THERMOCOUPLE18
    $15.28

    18-inch universal thermocouple for gas furnaces and water heaters. Stainless steel with universal adapter fittings. Fits most standing-pilot gas appliances.

  • Low StockSHL509 - HIGH TEMPERATURE LIMIT SWITCH (3, L240°)
    UNIVERSAL

    SHL509 – HIGH TEMPERATURE LIMIT SWITCH (3″, L240°)

    SKU · SHL509
    $35.14

    Supco SHL509 high limit switch, 3-inch insertion, opens at 240°F, closes at 210°F. Auto reset. Crosses to Carrier HH12ZB240. Universal furnace replacement.

  • Low StockHH18HA461 - MANUAL LIMIT SWITCH (MICRO, LARGE BASE, L160°)
    UNIVERSAL

    HH18HA461 – MANUAL LIMIT SWITCH (MICRO, LARGE BASE, L160°)

    SKU · HH18HA461
    $25.61

    Carrier HH18HA461 manual reset limit switch, opens at 160°F. Large base, micro size. Also crosses to HH18HA167. OEM for Carrier, Bryant, and Payne systems.

  • Low Stock1370912S - HIGH LIMIT SWITCH (7, L240)
    UNIVERSAL

    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 StockHH12ZB140 - HIGH LIMIT SWITCH (3, L140°)
    UNIVERSAL

    HH12ZB140 – HIGH LIMIT SWITCH (3″, L140°)

    SKU · HH12ZB140
    $35.18

    Carrier HH12ZB140 high limit switch, 3-inch insertion, opens at 140°F. Auto reset. Crosses to Supco SHL507, Trane SWT01276. Universal 3-inch L140 replacement.

  • In StockPFS097 - FLAME SENSOR (LENNOX)
    LENNOX

    PFS097 – FLAME SENSOR (LENNOX, 28M97)

    SKU · PFS097
    $22.60

    Lennox 28M97 flame sensor replacement. Aftermarket direct fit for Lennox, Armstrong, and Ducane furnaces. Single-prong design with ceramic insulator.

  • In StockS1-02527773700 - FLAME SENSOR (YORK, AFTERMARKET DIRECT, FLS700)
    UNIVERSAL

    S1-02527773700 – FLAME SENSOR (YORK, AFTERMARKET, DIRECT, FLS700)

    SKU · FLS700
    $23.44

    York flame sensor replacement (S1-02527773700). Aftermarket direct fit with 4-inch probe and Kanthal rod. Fits York, Coleman, and Luxaire furnaces.

  • Low StockSLP2045 - REFRIGERANT LOW PRESSURE SWITCH (OPEN @ 20 PSI)
    UNIVERSAL

    SLP2045 – REFRIGERANT LOW PRESSURE SWITCH (OPEN @ 20 PSI)

    SKU · PLP2045
    $32.05

    Supco low-pressure switch — opens at 20 PSI, closes at 45 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from low refrigerant pressure.

  • In StockTH198024 - THERMOCOUPLE (24)
    UNIVERSAL

    TH198024 – THERMOCOUPLE (24″)

    SKU · THERMOCOUPLE24
    $15.28

    24-inch universal thermocouple for gas furnaces and water heaters. Stainless steel with universal adapter fittings. Most common thermocouple length for residential systems.

  • Low Stock1010775R - FURNACE PRESSURE SWITCH (2 HOSE, -0.20)
    UNIVERSAL

    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 StockSLP5090 - REFRIGERANT LOW PRESSURE SWITCH (OPEN @ 50 PSI)
    UNIVERSAL

    SLP5090 – REFRIGERANT LOW PRESSURE SWITCH (OPEN @ 50 PSI)

    SKU · PLP5090
    $32.05

    Supco low-pressure switch — opens at 50 PSI, closes at 90 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from low refrigerant pressure.

  • In StockSLS300 - TEMPERATURE LIMIT SWITCH (MICRO, AUTO, L300°)
    UNIVERSAL

    SLS300 – AUTO LIMIT SWITCH (MICRO, L300°)

    SKU · MAL300
    $15.25

    Supco SLS300 auto reset rollout switch, opens at 300°F, closes at 250°F. Compact micro size with angled terminals. Used as a flame rollout safety switch.

  • Low StockSLP4560 - REFRIGERANT LOW PRESSURE SWITCH (OPEN @ 45 PSI)
    UNIVERSAL

    SLP4560 – REFRIGERANT LOW PRESSURE SWITCH (OPEN @ 45 PSI)

    SKU · PLP4560
    $32.05

    Supco low-pressure switch — opens at 45 PSI, closes at 60 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from low refrigerant pressure.

  • In Stock0130F00504 - FURNACE PRESSURE SWITCH (-0.60PF)
    UNIVERSAL

    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 Stock10735201 - FLAME SENSOR (AMANA)
    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 Stock42-23116-07 - HEAT SEQUENCER (TPST)
    UNIVERSAL

    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.

  • In Stock42-105583-04 - FURNACE PRESSURE SWITCH (-0.40PF)
    UNIVERSAL

    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 StockHK61EA033 - RECTIFIER BOARD (1186788)
    CARRIER

    HK61EA033 – RECTIFIER BOARD (1186788)

    SKU · 1186788
    $52.72

    Carrier/Bryant/Payne rectifier board. Converts AC to DC for relay control in electric heat systems. OEM part HK61EA033, replaces older HK61EA003.

Showing 48 of 132 parts
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