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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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    Dwyer A3010 0/10"WC Photohelic # Sw/Gage

    Dwyer Instruments

    MSRP: $1,035.79
    Now: $800.38
    Dwyer A3010 0/10"WC Photohelic # Sw/Gage  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,035.79
    Now: $800.38
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    MSRP: $1,035.79
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    Dwyer 629C06CHP2E5S1LCD WET PRESS TRANS,0/150,W/LED

    Dwyer Instruments

    MSRP: $214.48
    Now: $165.74
    Dwyer 629C06CHP2E5S1LCD WET PRESS TRANS,0/150,W/LED  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $214.48
    Now: $165.74
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    MSRP: $214.48
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    Dwyer 16B-33 1/16DIN Temp Control;2RelayOut

    Dwyer Instruments

    MSRP: $240.82
    Now: $186.09
    Dwyer 16B-33 1/16DIN Temp Control;2RelayOut  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $240.82
    Now: $186.09
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    MSRP: $240.82
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    Dwyer 1638-5 DIFF # SWITCH 2-6"wc

    Dwyer Instruments

    MSRP: $800.18
    Now: $618.32
    Dwyer 1638-5 DIFF # SWITCH 2-6"wc  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $800.18
    Now: $618.32
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    MSRP: $800.18
    Now: $618.32
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    Dwyer 16133 Temp Control W/Alarm & 2Relays

    Dwyer Instruments

    MSRP: $1,039.48
    Now: $803.24
    Dwyer 16133 Temp Control W/Alarm & 2Relays  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,039.48
    Now: $803.24
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    MSRP: $1,039.48
    Now: $803.24
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    Dwyer V6EPB-B-S-3-B 1" SPDT XProof Brass Flow Sw.

    Dwyer Instruments

    MSRP: $580.87
    Now: $448.85
    Dwyer V6EPB-B-S-3-B 1" SPDT XProof Brass Flow Sw.  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $580.87
    Now: $448.85
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    MSRP: $580.87
    Now: $448.85
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    Dwyer SFI-300-3/4 3/4"NPT DblWindow Brnz FlowInd

    Dwyer Instruments

    MSRP: $448.04
    Now: $346.21
    Dwyer SFI-300-3/4 3/4"NPT DblWindow Brnz FlowInd  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $448.04
    Now: $346.21
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    MSRP: $448.04
    Now: $346.21
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    Dwyer SFI-100-2 2" Sight Flow Indicator

    Dwyer Instruments

    MSRP: $728.18
    Now: $562.68
    Dwyer SFI-100-2 2" Sight Flow Indicator  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $728.18
    Now: $562.68
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    MSRP: $728.18
    Now: $562.68
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    Dwyer L6-EPB-B-S-3-H LiquidLevlSwtchExpPrf 250#max

    Dwyer Instruments

    MSRP: $716.66
    Now: $553.78
    Dwyer L6-EPB-B-S-3-H LiquidLevlSwtchExpPrf 250#max  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $716.66
    Now: $553.78
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    MSRP: $716.66
    Now: $553.78
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    Dwyer 862E 36/82f SPDT Xprf Hvy Duty Stat

    Dwyer Instruments

    MSRP: $900.59
    Now: $695.91
    Dwyer 862E 36/82f SPDT Xprf Hvy Duty Stat  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $900.59
    Now: $695.91
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    MSRP: $900.59
    Now: $695.91
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    Dwyer 1900-1MR .4/1.6" M/R Diff. # Switch

    Dwyer Instruments

    MSRP: $192.44
    Now: $148.70
    Dwyer 1900-1MR .4/1.6" M/R Diff. # Switch  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $192.44
    Now: $148.70
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    MSRP: $192.44
    Now: $148.70
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    Dwyer 16B-53 1/16"DIN TEMP/PROCESS CONTROL

    Dwyer Instruments

    MSRP: $240.82
    Now: $186.09
    Dwyer 16B-53 1/16"DIN TEMP/PROCESS CONTROL  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $240.82
    Now: $186.09
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    MSRP: $240.82
    Now: $186.09
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    Dwyer 1211-16 8/0/8 Slack Tube Manometer

    Dwyer

    MSRP: $251.05
    Now: $190.19
    Dwyer 1211-16 8/0/8 Slack Tube Manometer  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $251.05
    Now: $190.19
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    MSRP: $251.05
    Now: $190.19
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    Dwyer V4-2-U Flotect FlowSwitch;Brass Body

    Dwyer Instruments

    MSRP: $1,062.20
    Now: $820.79
    Dwyer V4-2-U Flotect FlowSwitch;Brass Body  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,062.20
    Now: $820.79
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    MSRP: $1,062.20
    Now: $820.79
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    Dwyer TS-13010 -58/302f 110V 16A Dig. Temp Sw

    Dwyer Instruments

    MSRP: $229.18
    Now: $177.10
    Dwyer TS-13010 -58/302f 110V 16A Dig. Temp Sw  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $229.18
    Now: $177.10
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    MSRP: $229.18
    Now: $177.10
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    Dwyer TE-RND-A OUTDOOR AIR SENSOR

    Dwyer

    MSRP: $152.33
    Now: $115.40
    Dwyer TE-RND-A OUTDOOR AIR SENSOR  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $152.33
    Now: $115.40
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    MSRP: $152.33
    Now: $115.40
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    Dwyer DA-7031-153-2 0/30"VAC SPDT Snap Switch

    Dwyer Instruments

    MSRP: $1,423.09
    Now: $1,099.66
    Dwyer DA-7031-153-2 0/30"VAC SPDT Snap Switch  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,423.09
    Now: $1,099.66
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    MSRP: $1,423.09
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    Dwyer 616KD-A-08 0/40"WC Diff # Xmitter; 11#Max

    Dwyer Instruments

    MSRP: $317.71
    Now: $245.50
    Dwyer 616KD-A-08 0/40"WC Diff # Xmitter; 11#Max  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $317.71
    Now: $245.50
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    MSRP: $317.71
    Now: $245.50
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    Dwyer 475-1-FM 0-20.00"WC 10#MAX HndHldDigMan

    Dwyer Instruments

    MSRP: $655.89
    Now: $506.83
    Dwyer 475-1-FM 0-20.00"WC 10#MAX HndHldDigMan  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $655.89
    Now: $506.83
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    MSRP: $655.89
    Now: $506.83
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    Dwyer 1626-1 .15/1.5" SPDT Pressure Switch

    Dwyer

    MSRP: $701.66
    Now: $531.56
    Dwyer 1626-1 .15/1.5" SPDT Pressure Switch  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $701.66
    Now: $531.56
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    MSRP: $701.66
    Now: $531.56
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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.