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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 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
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    Dwyer 1212 Gas Pressure Kit

    Dwyer Instruments

    MSRP: $325.83
    Now: $251.77
    Dwyer 1212 Gas Pressure Kit  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $325.83
    Now: $251.77
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    MSRP: $325.83
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    Dwyer RHP-2W20 RH TRANSMITTER 2% 0-10VDC

    Dwyer Instruments

    MSRP: $82.48
    Now: $63.74
    Dwyer RHP-2W20 RH TRANSMITTER 2% 0-10VDC  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $82.48
    Now: $63.74
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    MSRP: $82.48
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    Dwyer L6EPS-S-S-3-A 200# WallMnt SS LvSw

    Dwyer

    MSRP: $715.70
    Now: $542.20
    Dwyer L6EPS-S-S-3-A 200# WallMnt SS LvSw  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $715.70
    Now: $542.20
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    MSRP: $715.70
    Now: $542.20
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    Dwyer CS-150 DiaphragmOperPresSwtch 10-150#

    Dwyer

    MSRP: $603.44
    Now: $457.15
    Dwyer CS-150 DiaphragmOperPresSwtch 10-150#  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $603.44
    Now: $457.15
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    MSRP: $603.44
    Now: $457.15
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    Dwyer A-700 120/240V POWER SUPPLY

    Dwyer Instruments

    MSRP: $115.48
    Now: $89.24
    Dwyer A-700 120/240V POWER SUPPLY  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $115.48
    Now: $89.24
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    MSRP: $115.48
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    Dwyer 475-3-FM 0/200" Handheld Dig. Manometer

    Dwyer Instruments

    MSRP: $471.69
    Now: $364.48
    Dwyer 475-3-FM 0/200" Handheld Dig. Manometer  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $471.69
    Now: $364.48
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    MSRP: $471.69
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    Dwyer DAF-81-153-9K 10/300# SPDT FM Approved # Sw.

    Dwyer

    MSRP: $1,879.20
    Now: $1,423.64
    Dwyer DAF-81-153-9K 10/300# SPDT FM Approved # Sw.  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $1,879.20
    Now: $1,423.64
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    MSRP: $1,879.20
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    Dwyer 629C04CHP2E5S1 0/50# NEMA4X # XMITTER; 4-20mA

    Dwyer Instruments

    MSRP: $714.93
    Now: $552.44
    Dwyer 629C04CHP2E5S1 0/50# NEMA4X # XMITTER; 4-20mA  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $714.93
    Now: $552.44
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    Dwyer 629C-03-CH-P2-E5S1 0-25# PRESSURE TRNSDCR 4-20mA

    Dwyer Instruments

    MSRP: $714.93
    Now: $552.44
    Dwyer 629C-03-CH-P2-E5S1 0-25# PRESSURE TRNSDCR 4-20mA  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $714.93
    Now: $552.44
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    MSRP: $714.93
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    Dwyer V6EPB-B-S-LF 1/2" SPDT Xprf Low Flow Switch

    Dwyer Instruments

    MSRP: $660.21
    Now: $510.17
    Dwyer V6EPB-B-S-LF 1/2" SPDT Xprf Low Flow Switch  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $660.21
    Now: $510.17
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    MSRP: $660.21
    Now: $510.17
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    Dwyer V6EPB-B-S-1-B FlowSwitch 1/2"Brass AC/DC

    Dwyer Instruments

    MSRP: $482.31
    Now: $372.70
    Dwyer V6EPB-B-S-1-B FlowSwitch 1/2"Brass AC/DC  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $482.31
    Now: $372.70
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    MSRP: $482.31
    Now: $372.70
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    Dwyer SFI-100-1 1" Sight Flow Indicator

    Dwyer Instruments

    MSRP: $434.48
    Now: $335.73
    Dwyer SFI-100-1 1" Sight Flow Indicator  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $434.48
    Now: $335.73
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    MSRP: $434.48
    Now: $335.73
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    Dwyer L6EPB-B-S-3-0 1000# Side Wall Mt Brass LvlSw

    Dwyer Instruments

    MSRP: $533.31
    Now: $412.11
    Dwyer L6EPB-B-S-3-0 1000# Side Wall Mt Brass LvlSw  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $533.31
    Now: $412.11
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    MSRP: $533.31
    Now: $412.11
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    Dwyer DH3-010 0-50"wc DIFF PRESSURE SWITCH

    Dwyer

    MSRP: $686.07
    Now: $519.75
    Dwyer DH3-010 0-50"wc DIFF PRESSURE SWITCH  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $686.07
    Now: $519.75
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    MSRP: $686.07
    Now: $519.75
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    Dwyer 629C-04-CHP2E5S13V 0/20# NEMA4X # Xmitter; 4-20mA

    Dwyer Instruments

    MSRP: $978.66
    Now: $756.24
    Dwyer 629C-04-CHP2E5S13V 0/20# NEMA4X # Xmitter; 4-20mA  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $978.66
    Now: $756.24
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    MSRP: $978.66
    Now: $756.24
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    Dwyer 530 400/1600FPM Air Flow Switch

    Dwyer Instruments

    MSRP: $217.09
    Now: $167.75
    Dwyer 530 400/1600FPM Air Flow Switch  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $217.09
    Now: $167.75
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    MSRP: $217.09
    Now: $167.75
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    Dwyer 1950-1-2F .4/1.6" XPrf Differential # Sw

    Dwyer Instruments

    MSRP: $547.72
    Now: $423.24
    Dwyer 1950-1-2F .4/1.6" XPrf Differential # Sw  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $547.72
    Now: $423.24
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    MSRP: $547.72
    Now: $423.24
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    Dwyer 1831-1-RA-S LOW DIFF PRESS SWITCH MR 2.5-9

    Dwyer Instruments

    MSRP: $304.33
    Now: $235.16
    Dwyer 1831-1-RA-S LOW DIFF PRESS SWITCH MR 2.5-9  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $304.33
    Now: $235.16
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    MSRP: $304.33
    Now: $235.16
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    Dwyer DH3-017 10/0/10" Digihelic Diff # Ctrl

    Dwyer

    MSRP: $686.07
    Now: $519.75
    Dwyer DH3-017 10/0/10" Digihelic Diff # Ctrl  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $686.07
    Now: $519.75
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    MSRP: $686.07
    Now: $519.75
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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.