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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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    Spirax-Sarco #73648 3/4" TD42L SS Steam Trap W/BLOWDOWN

    Spirax-Sarco

    MSRP: $1,471.62
    Now: $1,114.86
    Spirax-Sarco #73648 3/4" TD42L SS Steam Trap W/BLOWDOWN  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $1,471.62
    Now: $1,114.86
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    Spirax-Sarco #6150093 1/2 NPT IFT14-4.5B DI Steam Trap

    Spirax-Sarco

    MSRP: $1,067.73
    Now: $808.89
    Spirax-Sarco #6150093 1/2 NPT IFT14-4.5B DI Steam Trap  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $1,067.73
    Now: $808.89
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    MSRP: $1,067.73
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    Spirax-Sarco #6120182 INLET & EXHAUST VALVE & SEATS FOR APT10-4.5 & APT10

    Spirax-Sarco

    MSRP: $1,850.36
    Now: $1,401.79
    Spirax-Sarco #6120182 INLET & EXHAUST VALVE & SEATS FOR APT10-4.5 & APT10  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo...
    MSRP: $1,850.36
    Now: $1,401.79
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    MSRP: $1,850.36
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    Spirax-Sarco #6120181 OUTLET CHECK VALVE & TRAP KIT FOR APT10-4.5 & APT10

    Spirax-Sarco

    MSRP: $1,484.19
    Now: $1,124.39
    Spirax-Sarco #6120181 OUTLET CHECK VALVE & TRAP KIT FOR APT10-4.5 & APT10  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo...
    MSRP: $1,484.19
    Now: $1,124.39
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    MSRP: $1,484.19
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    Spirax-Sarco #3840190 SA121 RANGE 2 (105-225F) 2M CAP KNOB STYLE CONTROLLER

    Spirax-Sarco

    MSRP: $2,125.68
    Now: $1,610.36
    Spirax-Sarco #3840190 SA121 RANGE 2 (105-225F) 2M CAP KNOB STYLE CONTROLLER  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo...
    MSRP: $2,125.68
    Now: $1,610.36
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    MSRP: $2,125.68
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    Spirax-Sarco #0664291 1" FT14HC-14 DI Steam Trap

    Spirax-Sarco

    MSRP: $1,591.80
    Now: $1,205.91
    Spirax-Sarco #0664291 1" FT14HC-14 DI Steam Trap  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $1,591.80
    Now: $1,205.91
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    MSRP: $1,591.80
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    Spirax-Sarco 80085 EXHAUST VALVE KIT FOR PPC, PPF, PPF-HTF

    Spirax-Sarco

    MSRP: $742.10
    Now: $562.20
    Spirax-Sarco 80085 EXHAUST VALVE KIT FOR PPC, PPF, PPF-HTF  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $742.10
    Now: $562.20
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    MSRP: $742.10
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    Spirax-Sarco 80084 INLET VALVE KIT FOR PPC, PPF, PPF-HTF

    Spirax-Sarco

    MSRP: $539.91
    Now: $409.03
    Spirax-Sarco 80084 INLET VALVE KIT FOR PPC, PPF, PPF-HTF  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $539.91
    Now: $409.03
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    MSRP: $539.91
    Now: $409.03
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    Spirax-Sarco 72969.3 CAST STEEL PTF COVER & MECH ASSEMBLY (REPLACES 66162)

    Spirax-Sarco

    MSRP: $11,792.91
    Now: $8,934.03
    Spirax-Sarco 72969.3 CAST STEEL PTF COVER & MECH ASSEMBLY (REPLACES 66162)   FurnacePartSource.com Commitment
    MSRP: $11,792.91
    Now: $8,934.03
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    MSRP: $11,792.91
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    Spirax-Sarco 72389F EXHAUST VLV KIT FOR PTC & PTF

    Spirax-Sarco

    MSRP: $743.49
    Now: $563.25
    Spirax-Sarco 72389F EXHAUST VLV KIT FOR PTC & PTF This item is non-cancelable and non-returnable. FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine...
    MSRP: $743.49
    Now: $563.25
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    Spirax-Sarco 70871 1-1/4" COMPLETE REBUILD KIT FOR #25 MAIN VALVE

    Spirax-Sarco

    MSRP: $2,005.49
    Now: $1,519.31
    Spirax-Sarco 70871 1-1/4" COMPLETE REBUILD KIT FOR #25 MAIN VALVE  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum...
    MSRP: $2,005.49
    Now: $1,519.31
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    MSRP: $2,005.49
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    Spirax-Sarco 70870 1" REBUILD KIT FOR #25 MAIN VALVE

    Spirax-Sarco

    MSRP: $1,868.53
    Now: $1,415.55
    Spirax-Sarco 70870 1" REBUILD KIT FOR #25 MAIN VALVE  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $1,868.53
    Now: $1,415.55
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    MSRP: $1,868.53
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    Spirax-Sarco 70869 REBUILD KIT FOR 3/4" #25 MAIN VALVE

    Spirax-Sarco

    MSRP: $1,443.67
    Now: $1,093.69
    Spirax-Sarco 70869 REBUILD KIT FOR 3/4" #25 MAIN VALVE  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $1,443.67
    Now: $1,093.69
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    MSRP: $1,443.67
    Now: $1,093.69
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    Spirax-Sarco 68461 DIAPHRAGM KIT FOR 1, 1-1/2 & 2 SRV6

    Spirax-Sarco

    MSRP: $831.55
    Now: $629.96
    Spirax-Sarco 68461 DIAPHRAGM KIT FOR 1, 1-1/2 & 2 SRV6  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $831.55
    Now: $629.96
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    MSRP: $831.55
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    Spirax-Sarco 66674 1 NPT FTI-15 CI Steam Trap

    Spirax-Sarco

    MSRP: $627.23
    Now: $475.18
    Spirax-Sarco 66674 1 NPT FTI-15 CI Steam Trap  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $627.23
    Now: $475.18
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    MSRP: $627.23
    Now: $475.18
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    Spirax-Sarco 66666 1/2 NPT FTI-75 CI Steam Trap

    Spirax-Sarco

    MSRP: $862.29
    Now: $653.25
    Spirax-Sarco 66666 1/2 NPT FTI-75 CI Steam Trap  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $862.29
    Now: $653.25
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    MSRP: $862.29
    Now: $653.25
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    Spirax-Sarco 66665 1/2 NPT FTI-30 CI Steam Trap

    Spirax-Sarco

    MSRP: $617.05
    Now: $467.46
    Spirax-Sarco 66665 1/2 NPT FTI-30 CI Steam Trap  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $617.05
    Now: $467.46
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    MSRP: $617.05
    Now: $467.46
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    Spirax-Sarco 64435 COVER, GASKET AND MECH KIT FOR B1H-125, B1X-125

    Spirax-Sarco

    MSRP: $269.23
    Now: $203.96
    Spirax-Sarco 64435 COVER, GASKET AND MECH KIT FOR B1H-125, B1X-125  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum...
    MSRP: $269.23
    Now: $203.96
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    MSRP: $269.23
    Now: $203.96
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    Spirax-Sarco 64260 COMPL MECH ASSY 3/4" B1H-125

    Spirax-Sarco

    MSRP: $232.85
    Now: $176.40
    Spirax-Sarco 64260 COMPL MECH ASSY 3/4" B1H-125  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $232.85
    Now: $176.40
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    MSRP: $232.85
    Now: $176.40
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    Spirax-Sarco 64151 1/2 NPT B1H-180 CI Steam Trap

    Spirax-Sarco

    MSRP: $440.96
    Now: $334.06
    Spirax-Sarco 64151 1/2 NPT B1H-180 CI Steam Trap  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $440.96
    Now: $334.06
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    MSRP: $440.96
    Now: $334.06
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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.