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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 50931 1 NPT FT-75 CI Steam Trap

    Spirax-Sarco

    MSRP: $941.95
    Now: $713.60
    Spirax-Sarco 50931 1 NPT FT-75 CI Steam Trap  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $941.95
    Now: $713.60
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    MSRP: $941.95
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    Spirax-Sarco 3850191 SA121 RANGE 2 (105-225F) 4M CAP DIAL STYLE CONTROLLER

    Spirax-Sarco

    MSRP: $2,062.78
    Now: $1,562.71
    Spirax-Sarco 3850191 SA121 RANGE 2 (105-225F) 4M CAP DIAL STYLE CONTROLLER  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo...
    MSRP: $2,062.78
    Now: $1,562.71
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    MSRP: $2,062.78
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    Spirax-Sarco 3749168 1-1/2 & 2" SPIRA-TROL PLUG & SEAT KIT EQ% 431SS (1-1/2") FULL CV (2") RED-1

    Spirax-Sarco

    MSRP: $1,024.86
    Now: $776.41
    Spirax-Sarco 3749168 1-1/2 & 2" SPIRA-TROL PLUG & SEAT KIT EQ% 431SS (1-1/2") FULL CV (2") RED-1  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New...
    MSRP: $1,024.86
    Now: $776.41
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    MSRP: $1,024.86
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    Spirax-Sarco 1803051 BT6-BH 3/4" TRI-CLAMP SANITARY BALANCED PRESSURE THERMOSTATIC Steam Trap, ASME BPE, EP 15 RA

    Spirax-Sarco

    MSRP: $2,762.96
    Now: $2,093.15
    Spirax-Sarco 1803051 BT6-BH 3/4" TRI-CLAMP SANITARY BALANCED PRESSURE THERMOSTATIC Steam Trap, ASME BPE, EP 15 RA   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business...
    MSRP: $2,762.96
    Now: $2,093.15
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    MSRP: $2,762.96
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    Spirax-Sarco 1802860 1" TRI-C BTM7 SS Clean Steam Trap

    Spirax-Sarco

    MSRP: $1,790.27
    Now: $1,356.26
    Spirax-Sarco 1802860 1" TRI-C BTM7 SS Clean Steam Trap  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $1,790.27
    Now: $1,356.26
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    MSRP: $1,790.27
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    Spirax-Sarco 1446991 3/4" NPT FT14-4.5C DI Steam Trap WITH STEAM LOCK RELEASE

    Spirax-Sarco

    MSRP: $1,298.32
    Now: $983.58
    Spirax-Sarco 1446991 3/4" NPT FT14-4.5C DI Steam Trap WITH STEAM LOCK RELEASE  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts -...
    MSRP: $1,298.32
    Now: $983.58
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    MSRP: $1,298.32
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    Spirax-Sarco 0680862 3/4 TD42H SS Steam Trap (OLD# 0680890)

    Spirax-Sarco

    MSRP: $1,354.22
    Now: $1,025.93
    Spirax-Sarco 0680862 3/4 TD42H SS Steam Trap (OLD# 0680890)  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $1,354.22
    Now: $1,025.93
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    MSRP: $1,354.22
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    Spirax-Sarco 0666081 1-1/2 GASKET SET FOR FT14

    Spirax-Sarco

    MSRP: $179.01
    Now: $135.61
    Spirax-Sarco 0666081 1-1/2 GASKET SET FOR FT14  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $179.01
    Now: $135.61
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    MSRP: $179.01
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    Spirax-Sarco 0664091 1 NPT FT14HC-4.5 DI Steam Trap

    Spirax-Sarco

    MSRP: $1,706.76
    Now: $1,318.86
    Spirax-Sarco 0664091 1 NPT FT14HC-4.5 DI Steam Trap  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $1,706.76
    Now: $1,318.86
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    MSRP: $1,706.76
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    Spirax-Sarco 0457590 1/2 NPT BRV2S DI DIRECT OPERATED PRESSURE REGULATOR 50-125PSIG

    Spirax-Sarco

    MSRP: $1,485.59
    Now: $1,125.45
    Spirax-Sarco 0457590 1/2 NPT BRV2S DI DIRECT OPERATED PRESSURE REGULATOR 50-125PSIG  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts -...
    MSRP: $1,485.59
    Now: $1,125.45
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    MSRP: $1,485.59
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    Spirax-Sarco 73399 UTD52SL UNIVERSAL Steam Trap WITH BLOWDOWN VALVE & INTEGRAL STRAINER (OLD UTD30L)

    Spirax-Sarco

    MSRP: $929.38
    Now: $704.08
    Spirax-Sarco 73399 UTD52SL UNIVERSAL Steam Trap WITH BLOWDOWN VALVE & INTEGRAL STRAINER (OLD UTD30L)  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New...
    MSRP: $929.38
    Now: $704.08
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    MSRP: $929.38
    Now: $704.08
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    Spirax-Sarco 70873 2" COMPLETE REBUILD KIT FOR #25 MAIN VALVE

    Spirax-Sarco

    MSRP: $4,107.39
    Now: $3,173.90
    Spirax-Sarco 70873 2" COMPLETE 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: $4,107.39
    Now: $3,173.90
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    MSRP: $4,107.39
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    Spirax-Sarco 68781 DIAPHRAGM SET FOR 1 - 1-1/2 25 MAIN VALVE

    Spirax-Sarco

    MSRP: $184.82
    Now: $140.01
    Spirax-Sarco 68781 DIAPHRAGM SET FOR 1 - 1-1/2 25 MAIN VALVE  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $184.82
    Now: $140.01
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    MSRP: $184.82
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    Spirax-Sarco 68780 DIAPHRAGM SET FOR 1/2 & 3/4 25 MAIN VALVE

    Spirax-Sarco

    MSRP: $173.18
    Now: $131.20
    Spirax-Sarco 68780 DIAPHRAGM SET FOR 1/2 & 3/4 25 MAIN VALVE  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $173.18
    Now: $131.20
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    MSRP: $173.18
    Now: $131.20
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    Spirax-Sarco 66675 1 NPT FTI-30 CI Steam Trap

    Spirax-Sarco

    MSRP: $673.81
    Now: $510.46
    Spirax-Sarco 66675 1 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: $673.81
    Now: $510.46
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    MSRP: $673.81
    Now: $510.46
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    Spirax-Sarco 66667 1/2 NPT FTI-125 CI Steam Trap

    Spirax-Sarco

    MSRP: $884.65
    Now: $670.19
    Spirax-Sarco 66667 1/2 NPT FTI-125 CI Steam Trap  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $884.65
    Now: $670.19
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    MSRP: $884.65
    Now: $670.19
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    Spirax-Sarco 66160 CI COVER & MECH ASSY FOR PPEC 1" & 1-1/2"

    Spirax-Sarco

    MSRP: $7,841.89
    Now: $5,940.83
    Spirax-Sarco 66160 CI COVER & MECH ASSY FOR PPEC 1" & 1-1/2"  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $7,841.89
    Now: $5,940.83
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    MSRP: $7,841.89
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    Spirax-Sarco 6120488 APT14HC & APT14SHC AUTO PUMP TRAP VALVE & SEAT KIT

    Spirax-Sarco

    MSRP: $2,614.82
    Now: $1,980.93
    Spirax-Sarco 6120488 APT14HC & APT14SHC AUTO PUMP TRAP VALVE & SEAT KIT   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts -...
    MSRP: $2,614.82
    Now: $1,980.93
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    MSRP: $2,614.82
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    Spirax-Sarco 6120390 1-1/2" NPT APT14 AUTOMATIC PUMP TRAP

    Spirax-Sarco

    MSRP: $14,237.82
    Now: $11,001.95
    Spirax-Sarco 6120390 1-1/2" NPT APT14 AUTOMATIC PUMP TRAP  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $14,237.82
    Now: $11,001.95
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    MSRP: $14,237.82
    Now: $11,001.95
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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.