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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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    Watts 0274515 174A-3/4-55# 1,025,000btu

    Watts

    MSRP: $430.60
    Now: $326.21
    Watts 0274515 174A-3/4-55# 1,025,000btu  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $430.60
    Now: $326.21
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    MSRP: $430.60
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    Watts 0267687 #142 BOILER WATER FEEDER

    Watts

    MSRP: $2,506.43
    Now: $1,936.79
    Watts 0267687 #142 BOILER WATER FEEDER  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $2,506.43
    Now: $1,936.79
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    MSRP: $2,506.43
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    Watts 0163746 1" 150# 210F 500,000btu Valve

    Watts

    MSRP: $1,093.64
    Now: $845.08
    Watts 0163746 1" 150# 210F 500,000btu Valve  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,093.64
    Now: $845.08
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    MSRP: $1,093.64
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    Watts 0158675 3/4 40XL8 100210

    Watts

    MSRP: $498.50
    Now: $385.20
    Watts 0158675 3/4 40XL8 100210  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $498.50
    Now: $385.20
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    MSRP: $498.50
    Now: $385.20
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    Watts 0156736 3/4 40XL-Z3 150210

    Watts

    MSRP: $434.53
    Now: $329.19
    Watts 0156736 3/4 40XL-Z3 150210  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $434.53
    Now: $329.19
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    MSRP: $434.53
    Now: $329.19
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    Watts 0121411 40XL-5-100 3/4"mX3/4"f 200cfm

    Watts

    MSRP: $797.86
    Now: $604.44
    Watts 0121411 40XL-5-100 3/4"mX3/4"f 200cfm  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $797.86
    Now: $604.44
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    MSRP: $797.86
    Now: $604.44
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    Watts 0121399 BP30A 1/2" REGULATOR 10-50#

    Watts

    MSRP: $717.59
    Now: $543.63
    Watts 0121399 BP30A 1/2" REGULATOR 10-50#  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $717.59
    Now: $543.63
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    MSRP: $717.59
    Now: $543.63
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    Watts 0067609 RA-1-SW 1 1/2" STEAM RAD VALVE

    Watts

    MSRP: $148.48
    Now: $114.74
    Watts 0067609 RA-1-SW 1 1/2" STEAM RAD VALVE  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $148.48
    Now: $114.74
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    MSRP: $148.48
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    Watts 0067607 1" Brz Steam Radiator Gate Vlv

    Watts

    MSRP: $270.52
    Now: $204.94
    Watts 0067607 1" Brz Steam Radiator Gate Vlv  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $270.52
    Now: $204.94
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    MSRP: $270.52
    Now: $204.94
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    Watts 0067600 2"ANGLE RAD.VALVE RA-1-AP

    Watts

    MSRP: $811.96
    Now: $627.43
    Watts 0067600 2"ANGLE RAD.VALVE RA-1-AP  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $811.96
    Now: $627.43
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    MSRP: $811.96
    Now: $627.43
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    Watts 0067454 RA-1-AP-1.5" SteamAngleRadVlv

    Watts

    MSRP: $520.28
    Now: $402.03
    Watts 0067454 RA-1-AP-1.5" SteamAngleRadVlv  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $520.28
    Now: $402.03
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    MSRP: $520.28
    Now: $402.03
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    Watts 0063232 007M1QT-1 BRONZE BFP DBL CkVLV

    Watts

    MSRP: $480.10
    Now: $370.99
    Watts 0063232 007M1QT-1 BRONZE BFP DBL CkVLV   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $480.10
    Now: $370.99
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    MSRP: $480.10
    Now: $370.99
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    Watts 0063191 1/2 BBFP-S

    Watts

    MSRP: $200.11
    Now: $151.60
    Watts 0063191 1/2 BBFP-S  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $200.11
    Now: $151.60
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    MSRP: $200.11
    Now: $151.60
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    Watts 0037121 WFT-125 1 1/4" F&T STEAM TRAP

    Watts

    MSRP: $972.51
    Now: $736.75
    Watts 0037121 WFT-125 1 1/4" F&T STEAM TRAP  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $972.51
    Now: $736.75
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    MSRP: $972.51
    Now: $736.75
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    Watts 0794063 909 1ST CHK RELIEF,1 1/4-2" LF

    Watts

    MSRP: $562.34
    Now: $434.53
    Watts 0794063 909 1ST CHK RELIEF,1 1/4-2" LF  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $562.34
    Now: $434.53
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    MSRP: $562.34
    Now: $434.53
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    Watts 0792095 NLF9 3/8" BACKFLOW PREV 150#MX

    Watts

    MSRP: $264.45
    Now: $200.34
    Watts 0792095 NLF9 3/8" BACKFLOW PREV 150#MX  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $264.45
    Now: $200.34
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    MSRP: $264.45
    Now: $200.34
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    Watts 0559135 L70A 3/4"SW TempVlv 100/130F

    Watts

    MSRP: $506.62
    Now: $383.80
    Watts 0559135 L70A 3/4"SW TempVlv 100/130F  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $506.62
    Now: $383.80
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    MSRP: $506.62
    Now: $383.80
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    Watts 0559129 70AF-1/2, TEMPERING VALVE 1/2"

    Watts

    MSRP: $222.17
    Now: $168.31
    Watts 0559129 70AF-1/2, TEMPERING VALVE 1/2"  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $222.17
    Now: $168.31
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    MSRP: $222.17
    Now: $168.31
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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.