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Furnace & HVAC Replacement Parts

Furnace & HVAC Replacement Parts

Shop the full range of furnace and HVAC replacement parts at Furnace Part Source, covering heating, cooling, and control components for residential, commercial, and industrial equipment. Browse by category or search by exact part number to find the right replacement fast.

Use the category filters below to narrow results by part type, including actuators, assemblies, blower motors, burners, capacitors, control boards, coils, contactors, dampers, drain pans, heating elements, flame sensors, ignitors, motors, switches, transformers, and wiring.

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    United Electric E100-2BSB SS TEMP SW. 30-250f

    United Electric

    MSRP: $737.35
    Now: $558.60
    United Electric E100-2BSB SS TEMP SW. 30-250f  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $737.35
    Now: $558.60
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    MSRP: $737.35
    Now: $558.60
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    United Electric J21K-16020 1-15#DIFF PRESSURE SWITCH

    United Electric

    MSRP: $978.15
    Now: $755.85
    United Electric J21K-16020 1-15#DIFF PRESSURE SWITCH  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $978.15
    Now: $755.85
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    MSRP: $978.15
    Now: $755.85
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    United Electric H54-27 30/300# SPDT NEMA1 Adj # Swtch

    United Electric

    MSRP: $343.35
    Now: $265.31
    United Electric H54-27 30/300# SPDT NEMA1 Adj # Swtch  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $343.35
    Now: $265.31
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    MSRP: $343.35
    Now: $265.31
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    United Electric H100-192 15-300# NEMA 4 Pressure Switch

    United Electric

    MSRP: $442.79
    Now: $342.16
    United Electric H100-192 15-300# NEMA 4 Pressure Switch  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $442.79
    Now: $342.16
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    MSRP: $442.79
    Now: $342.16
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    United Electric E54-D23BC-1530 TempSw SPDT 150/650F 6'CAP M/R

    United Electric

    MSRP: $666.06
    Now: $504.59
    United Electric E54-D23BC-1530 TempSw SPDT 150/650F 6'CAP M/R  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $666.06
    Now: $504.59
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    MSRP: $666.06
    Now: $504.59
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    United Electric 24-014/M262 4/45# SPDT Air/Water # Sw

    United Electric

    MSRP: $330.21
    Now: $255.17
    United Electric 24-014/M262 4/45# SPDT Air/Water # Sw  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $330.21
    Now: $255.17
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    MSRP: $330.21
    Now: $255.17
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    United Electric J54-16009 1/4" 30-300# PRESSURE SWITCH

    United Electric

    MSRP: $254.78
    Now: $196.87
    United Electric J54-16009 1/4" 30-300# PRESSURE SWITCH   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $254.78
    Now: $196.87
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    MSRP: $254.78
    Now: $196.87
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    United Electric C100-120 0/225f SPDT NEMA4X Temp Switch

    United Electric

    MSRP: $626.65
    Now: $484.23
    United Electric C100-120 0/225f SPDT NEMA4X Temp Switch  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $626.65
    Now: $484.23
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    MSRP: $626.65
    Now: $484.23
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    United Electric E54-D23BC-0500 150/650f SPDT TempSw 6'Cls DB

    United Electric

    MSRP: $641.67
    Now: $495.83
    United Electric E54-D23BC-0500 150/650f SPDT TempSw 6'Cls DB  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $641.67
    Now: $495.83
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    MSRP: $641.67
    Now: $495.83
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    United Electric J21K-254-1520 DIFF # SWITCH ADJ D/B 0/90PSI

    United Electric

    MSRP: $722.34
    Now: $547.23
    United Electric J21K-254-1520 DIFF # SWITCH ADJ D/B 0/90PSI   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $722.34
    Now: $547.23
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    MSRP: $722.34
    Now: $547.23
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    United Electric J54-24 3/30# SPDT NEMA1 Pressure Sw.

    United Electric

    MSRP: $249.79
    Now: $193.02
    United Electric J54-24 3/30# SPDT NEMA1 Pressure Sw.  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $249.79
    Now: $193.02
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    MSRP: $249.79
    Now: $193.02
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    United Electric B54-103 SPDT 0-225' Immersion Temp Sw.

    United Electric

    MSRP: $439.03
    Now: $339.25
    United Electric B54-103 SPDT 0-225' Immersion Temp Sw.  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $439.03
    Now: $339.25
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    MSRP: $439.03
    Now: $339.25
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    United Electric H100-534 2.5"-50"wc SPDT Nema4X SSdiaph

    United Electric

    MSRP: $1,381.33
    Now: $1,067.39
    United Electric H100-534 2.5"-50"wc SPDT Nema4X SSdiaph  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $1,381.33
    Now: $1,067.39
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    MSRP: $1,381.33
    Now: $1,067.39
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    United Electric H100-191 10-100# NEMA 4 Pressure Switch

    United Electric

    MSRP: $453.45
    Now: $350.40
    United Electric H100-191 10-100# NEMA 4 Pressure Switch  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $453.45
    Now: $350.40
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    MSRP: $453.45
    Now: $350.40
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    United Electric J6-134 -30"/20# SPDT NEMA4X Adj # Sw

    United Electric

    MSRP: $780.50
    Now: $591.29
    United Electric J6-134 -30"/20# SPDT NEMA4X Adj # Sw  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $780.50
    Now: $591.29
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    MSRP: $780.50
    Now: $591.29
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    United Electric 24-013-M262 1-10# D SWITCH W/BUENA DIAPH

    United Electric

    MSRP: $330.21
    Now: $255.17
    United Electric 24-013-M262 1-10# D SWITCH W/BUENA DIAPH  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $330.21
    Now: $255.17
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    Qty in Cart: 0
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    MSRP: $330.21
    Now: $255.17
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    United Electric 24-012 4/43.5# SPDT GP Pressure Swtch

    United Electric

    MSRP: $278.60
    Now: $215.28
    United Electric 24-012 4/43.5# SPDT GP Pressure Swtch  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $278.60
    Now: $215.28
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    MSRP: $278.60
    Now: $215.28
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    United Electric B54-109 SPDT 200-425'Immersion Temp Sw

    United Electric

    MSRP: $439.03
    Now: $339.25
    United Electric B54-109 SPDT 200-425'Immersion Temp Sw  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $439.03
    Now: $339.25
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    Qty in Cart: 0
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    MSRP: $439.03
    Now: $339.25
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    United Electric H100-218 Vacuum Switch SPDT 1/4"FNPT

    United Electric

    MSRP: $436.16
    Now: $337.03
    United Electric H100-218 Vacuum Switch SPDT 1/4"FNPT   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $436.16
    Now: $337.03
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    MSRP: $436.16
    Now: $337.03
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    United Electric 10F11 10-150# 1/8"NPT PRESSURE SWTCH

    United Electric

    MSRP: $263.24
    Now: $203.41
    United Electric 10F11 10-150# 1/8"NPT PRESSURE SWTCH  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $263.24
    Now: $203.41
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    MSRP: $263.24
    Now: $203.41
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Furnace & HVAC Replacement Parts

This is the master category for every furnace and HVAC replacement part carried by Furnace Part Source, spanning heating, cooling, and control components across residential, commercial, and industrial equipment. Whether you're troubleshooting a specific failure or stocking parts for a service route, this category is the starting point for locating what you need.

Because this catalog spans thousands of individual parts across dozens of subcategories, the fastest way to find what you need is to search by exact OEM part number or browse into a specific subcategory, such as motors, blowers, ignitors, or control boards.

Major Subcategories

This category includes dedicated subcategories for:

  • Motors and blowers, including main blower motors, inducer motors, and blower assemblies.
  • Ignition components, including hot surface ignitors, pilot burners, and flame sensors.
  • Controls, including control boards, ignition modules, relays, and switches.
  • Electrical components, including capacitors, contactors, transformers, and circuit breakers.
  • Structural and mechanical parts, including housings, brackets, bearings, and pulleys.
  • Combustion and venting parts, including burners, gas valves, heat exchangers, and vent dampers.

How to Find the Right Part

Before ordering, check the equipment data plate and the existing part for the model number, serial number, and part number. Because this category covers such a wide range of equipment types and brands, matching by exact part number is the most reliable way to confirm compatibility.

For best fit, compare:

  • Original part number
  • Equipment model and serial number
  • Voltage, fuel type, and system type
  • Replacement or superseded part number, if applicable

Furnace & HVAC Parts From Leading Brands

Our catalog includes replacement parts from Carrier, Trane, York, Lennox, Rheem-Ruud, Amana-Goodman, Copeland, Honeywell, and hundreds of other HVAC, refrigeration, and combustion equipment manufacturers, covering both OEM and cross-reference replacement parts.

Need Help Finding a Part?

Not sure which subcategory to search, or which part you need? Use the model number, serial number, and existing part number from your equipment, or contact Furnace Part Source for help identifying the correct replacement.

Furnace & HVAC Replacement Parts FAQs

How do I find a specific part quickly in this category?

The fastest way is to search by the exact OEM part number printed on the existing component, or to browse into a more specific subcategory, such as motors, ignitors, or control boards.

Do you carry parts for both residential and commercial equipment?

Yes. This category includes parts for residential furnaces and air handlers as well as light-commercial and industrial heating, cooling, and combustion equipment.

What if I don't know the exact part number I need?

Use the equipment model number and serial number to help narrow the search, or contact Furnace Part Source for assistance identifying the correct replacement part.

Are replacement parts here new or used?

Furnace Part Source carries brand-new replacement parts, including OEM and compatible cross-reference components, unless a listing specifically states otherwise.