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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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    Siemens Combustion QRB1A-A050B70A2 Flame Detector

    Siemens Combustion

    MSRP: $175.68
    Now: $133.09
    Siemens Combustion QRB1A-A050B70A2 Flame Detector  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements...
    MSRP: $175.68
    Now: $133.09
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    Siemens Combustion LME73.000A1 Gas Burner Control

    Siemens Combustion

    MSRP: $924.18
    Now: $700.14
    Siemens Combustion LME73.000A1 Gas Burner Control  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements...
    MSRP: $924.18
    Now: $700.14
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    MSRP: $924.18
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    Siemens Combustion CFM14KCB-E8RS SIEMENS COUPLING

    Siemens Combustion

    MSRP: $378.03
    Now: $286.39
    Siemens Combustion CFM14KCB-E8RS SIEMENS COUPLING  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements...
    MSRP: $378.03
    Now: $286.39
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    MSRP: $378.03
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    Siemens Combustion ASZ12.833 1000 ohm POT, 3P, 130DEG PLAS

    Siemens Combustion

    MSRP: $514.82
    Now: $390.01
    Siemens Combustion ASZ12.833 1000 ohm POT, 3P, 130DEG PLAS  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $514.82
    Now: $390.01
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    Siemens Combustion VKG10.040U 1-1/2" Full Port Butterfly Vlv

    Siemens Combustion

    MSRP: $406.33
    Now: $313.98
    Siemens Combustion VKG10.040U 1-1/2" Full Port Butterfly Vlv  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $406.33
    Now: $313.98
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    MSRP: $406.33
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    Siemens Combustion SQM56.664R1G3 120V,50SEC,400# 4-20ma

    Siemens Combustion

    MSRP: $4,276.21
    Now: $3,304.34
    Siemens Combustion SQM56.664R1G3 120V,50SEC,400# 4-20ma  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $4,276.21
    Now: $3,304.34
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    MSRP: $4,276.21
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    Siemens Combustion QRB3 FLAME DETECTOR PROTECTION

    Siemens Combustion

    MSRP: $356.37
    Now: $269.98
    Siemens Combustion QRB3 FLAME DETECTOR PROTECTION  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $356.37
    Now: $269.98
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    MSRP: $356.37
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    Siemens Combustion QAE2012.9002 SENSING ELEM.-50/600f 1000 ohm

    Siemens Combustion

    MSRP: $1,209.58
    Now: $934.68
    Siemens Combustion QAE2012.9002 SENSING ELEM.-50/600f 1000 ohm  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $1,209.58
    Now: $934.68
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    MSRP: $1,209.58
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    Siemens Combustion LMV51.040C1 Control Unit 110v 50/60hz

    Siemens Combustion

    MSRP: $3,232.65
    Now: $2,448.98
    Siemens Combustion LMV51.040C1 Control Unit 110v 50/60hz  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $3,232.65
    Now: $2,448.98
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    MSRP: $3,232.65
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    Siemens Combustion LMV36.520A1 DUAL FUEL BURNER CONT 120V

    Siemens Combustion

    MSRP: $1,902.88
    Now: $1,470.41
    Siemens Combustion LMV36.520A1 DUAL FUEL BURNER CONT 120V  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $1,902.88
    Now: $1,470.41
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    MSRP: $1,902.88
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    Siemens Combustion ASZ12.30 1000ohmPOT,3-Pole,90Degree

    Siemens Combustion

    MSRP: $526.12
    Now: $406.55
    Siemens Combustion ASZ12.30 1000ohmPOT,3-Pole,90Degree  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $526.12
    Now: $406.55
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    MSRP: $526.12
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    Siemens Combustion AGM23U CABLE FOR QRA75

    Siemens Combustion

    MSRP: $600.19
    Now: $463.78
    Siemens Combustion AGM23U CABLE FOR QRA75  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $600.19
    Now: $463.78
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    MSRP: $600.19
    Now: $463.78
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    Siemens Combustion AGG2.110 3/4" NPT ADAPTER FOR QRI.2A2

    Siemens Combustion

    MSRP: $541.53
    Now: $418.46
    Siemens Combustion AGG2.110 3/4" NPT ADAPTER FOR QRI.2A2  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $541.53
    Now: $418.46
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    Siemens Combustion AGA56.9A17 ELEC BRD FOR SQM5

    Siemens Combustion

    MSRP: $2,601.18
    Now: $2,010.00
    Siemens Combustion AGA56.9A17 ELEC BRD FOR SQM5  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $2,601.18
    Now: $2,010.00
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    MSRP: $2,601.18
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    Siemens Combustion AGA40.0100U 2" VENT CONN PLATE 1/4"PORT

    Siemens Combustion

    MSRP: $288.55
    Now: $218.60
    Siemens Combustion AGA40.0100U 2" VENT CONN PLATE 1/4"PORT  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $288.55
    Now: $218.60
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    MSRP: $288.55
    Now: $218.60
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    Siemens Combustion VOG15.012U1 3/4" OilSafetyShutOff POC 120v

    Siemens Combustion

    MSRP: $2,548.61
    Now: $1,930.76
    Siemens Combustion VOG15.012U1 3/4" OilSafetyShutOff POC 120v  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $2,548.61
    Now: $1,930.76
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    MSRP: $2,548.61
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    Siemens Combustion QRA4M.U UV SCANNER

    Siemens Combustion

    MSRP: $503.38
    Now: $388.98
    Siemens Combustion QRA4M.U UV SCANNER  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $503.38
    Now: $388.98
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    MSRP: $503.38
    Now: $388.98
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    Siemens Combustion AGR450211310 U.V. SENSING TUBE

    Siemens Combustion

    MSRP: $554.70
    Now: $428.63
    Siemens Combustion AGR450211310 U.V. SENSING TUBE  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements...
    MSRP: $554.70
    Now: $428.63
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    MSRP: $554.70
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    Siemens Combustion SQM50.364R1G3 DampMtr 120v 90inLbs 12sec 6sw

    Siemens Combustion

    MSRP: $2,417.89
    Now: $1,868.37
    Siemens Combustion SQM50.364R1G3 DampMtr 120v 90inLbs 12sec 6sw  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum...
    MSRP: $2,417.89
    Now: $1,868.37
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    MSRP: $2,417.89
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    Siemens Combustion SQM10.16561 110V CCW 29sec 9VA MOTOR

    Siemens Combustion

    MSRP: $6,370.07
    Now: $4,922.33
    Siemens Combustion SQM10.16561 110V CCW 29sec 9VA MOTOR  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $6,370.07
    Now: $4,922.33
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    MSRP: $6,370.07
    Now: $4,922.33
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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.