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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 VGD20.403U 1 1/2" GAS VALVE DOUBLE

    Siemens Combustion

    MSRP: $1,601.39
    Now: $1,237.44
    Siemens Combustion VGD20.403U 1 1/2" GAS VALVE DOUBLE  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $1,601.39
    Now: $1,237.44
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    Siemens Combustion AGF10.50U 2" Flange W/Bolts & O-Ring

    Siemens Combustion

    MSRP: $212.31
    Now: $164.05
    Siemens Combustion AGF10.50U 2" Flange W/Bolts & O-Ring  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $212.31
    Now: $164.05
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    MSRP: $212.31
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    Siemens Combustion LFL1.322-110V GAS BURNER CTRL

    Siemens Combustion

    MSRP: $1,929.82
    Now: $1,491.23
    Siemens Combustion LFL1.322-110V GAS BURNER CTRL  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,929.82
    Now: $1,491.23
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    Siemens Combustion VGG10.254U 1" GasValve AlumBody

    Siemens Combustion

    MSRP: $590.52
    Now: $456.31
    Siemens Combustion VGG10.254U 1" GasValve AlumBody  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $590.52
    Now: $456.31
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    Siemens Combustion SQN70.603R10 120V CCW GAS BURNER CONTROL

    Siemens Combustion

    MSRP: $535.23
    Now: $413.58
    Siemens Combustion SQN70.603R10 120V CCW GAS BURNER CONTROL   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $535.23
    Now: $413.58
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    MSRP: $535.23
    Now: $413.58
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    Siemens Combustion VGG10.404U 1.5"npt NC GasValve

    Siemens Combustion

    MSRP: $841.60
    Now: $650.33
    Siemens Combustion VGG10.404U 1.5"npt NC GasValve  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements...
    MSRP: $841.60
    Now: $650.33
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    MSRP: $841.60
    Now: $650.33
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    Siemens Combustion SQN71.603R19 120Vac REVERSING ACTUATOR

    Siemens Combustion

    MSRP: $535.23
    Now: $413.58
    Siemens Combustion SQN71.603R19 120Vac REVERSING ACTUATOR  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $535.23
    Now: $413.58
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    MSRP: $535.23
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    Siemens Combustion SKP25.013U1 120vConstant#RegulatorNoSwitch

    Siemens Combustion

    MSRP: $1,413.03
    Now: $1,091.88
    Siemens Combustion SKP25.013U1 120vConstant#RegulatorNoSwitch   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No...
    MSRP: $1,413.03
    Now: $1,091.88
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    MSRP: $1,413.03
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    Siemens Combustion QRA2(1) UV Detector

    Siemens Combustion

    MSRP: $707.57
    Now: $546.76
    Siemens Combustion QRA2(1) UV Detector  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $707.57
    Now: $546.76
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    MSRP: $707.57
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    Siemens Combustion SQM45.295B9 Actuator 27in-lb 10/120s

    Siemens Combustion

    MSRP: $1,500.15
    Now: $1,159.20
    Siemens Combustion SQM45.295B9 Actuator 27in-lb 10/120s  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $1,500.15
    Now: $1,159.20
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    MSRP: $1,500.15
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    Siemens Combustion QRA2M(1) UV DETECTOR W/FLANGE

    Siemens Combustion

    MSRP: $913.74
    Now: $706.07
    Siemens Combustion QRA2M(1) UV DETECTOR W/FLANGE  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $913.74
    Now: $706.07
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    MSRP: $913.74
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    Siemens Combustion LFL1.335-110V 120V Gas Burner Control

    Siemens Combustion

    MSRP: $2,119.36
    Now: $1,637.69
    Siemens Combustion LFL1.335-110V 120V Gas Burner Control  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $2,119.36
    Now: $1,637.69
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    MSRP: $2,119.36
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    Siemens Combustion QRI2A2.B180B Flame Detector

    Siemens Combustion

    MSRP: $1,616.08
    Now: $1,248.79
    Siemens Combustion QRI2A2.B180B Flame Detector  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,616.08
    Now: $1,248.79
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    MSRP: $1,616.08
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    Siemens Combustion QRI2B2.B180B Flame Detector (SIDE VIEWING)

    Siemens Combustion

    MSRP: $1,616.08
    Now: $1,248.79
    Siemens Combustion QRI2B2.B180B Flame Detector (SIDE VIEWING)   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No...
    MSRP: $1,616.08
    Now: $1,248.79
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    MSRP: $1,616.08
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    Siemens Combustion QRA4.U UV FLAME DETECTOR

    Siemens Combustion

    MSRP: $352.51
    Now: $272.39
    Siemens Combustion QRA4.U UV FLAME DETECTOR  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $352.51
    Now: $272.39
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    MSRP: $352.51
    Now: $272.39
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    Setra 2091100PG2M2402 0/100# 1/4" #Xdcr; .5-5.5VDC

    Setra

    MSRP: $385.14
    Now: $291.78
    Setra 2091100PG2M2402 0/100# 1/4" #Xdcr; .5-5.5VDC  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $385.14
    Now: $291.78
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    MSRP: $385.14
    Now: $291.78
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    Setra SRH12PD11T0N 2% Humidity Duct Mount Sensor

    Setra

    MSRP: $295.00
    Now: $223.49
    Setra SRH12PD11T0N 2% Humidity Duct Mount Sensor  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $295.00
    Now: $223.49
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    MSRP: $295.00
    Now: $223.49
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    Setra 2561100PG2M11 0/100# 24VDC,OUTPUT:4-20mA

    Setra

    MSRP: $780.32
    Now: $602.97
    Setra 2561100PG2M11 0/100# 24VDC,OUTPUT:4-20mA  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $780.32
    Now: $602.97
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    MSRP: $780.32
    Now: $602.97
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    Setra 2301-010PD3V11B 0/10#,3 Vlv Xducer; 4/20mA Out

    Setra

    MSRP: $1,232.80
    Now: $952.62
    Setra 2301-010PD3V11B 0/10#,3 Vlv Xducer; 4/20mA Out  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $1,232.80
    Now: $952.62
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    MSRP: $1,232.80
    Now: $952.62
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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.