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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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    Watts 0257564 140X-5-150# 3/4" 1,438,000

    Watts

    MSRP: $529.16
    Now: $408.89
    Watts 0257564 140X-5-150# 3/4" 1,438,000  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $529.16
    Now: $408.89
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    MSRP: $529.16
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    Watts 0256661 140S-3-1-150#,1"T&P 3,085,000

    Watts

    MSRP: $1,576.44
    Now: $1,218.16
    Watts 0256661 140S-3-1-150#,1"T&P 3,085,000  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,576.44
    Now: $1,218.16
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    MSRP: $1,576.44
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    Watts 0123086 3/4"npt Y Strnr LF777 20MESH

    Watts

    MSRP: $334.87
    Now: $253.69
    Watts 0123086 3/4"npt Y Strnr LF777 20MESH  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $334.87
    Now: $253.69
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    MSRP: $334.87
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    Watts 0121327 LF 3L-100# 3/4" RELIEF VLV

    Watts

    MSRP: $249.25
    Now: $192.60
    Watts 0121327 LF 3L-100# 3/4" RELIEF VLV  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $249.25
    Now: $192.60
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    MSRP: $249.25
    Now: $192.60
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    Watts R119-08C 1" AIR REG. 0-125 PSI

    Parker Watts Fluid Air

    MSRP: $401.08
    Now: $309.93
    Watts R119-08C 1" AIR REG. 0-125 PSI  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $401.08
    Now: $309.93
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    MSRP: $401.08
    Now: $309.93
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    Watts R119-06CG 3/4" AirReg 0/125#Out W/Gauge

    Parker Watts Fluid Air

    MSRP: $458.80
    Now: $354.53
    Watts R119-06CG 3/4" AirReg 0/125#Out W/Gauge  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $458.80
    Now: $354.53
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    MSRP: $458.80
    Now: $354.53
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    Watts 0887729 1 1/4"-2" REPAIR KIT,800M4

    Watts

    MSRP: $439.72
    Now: $339.79
    Watts 0887729 1 1/4"-2" REPAIR KIT,800M4  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $439.72
    Now: $339.79
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    MSRP: $439.72
    Now: $339.79
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    Watts 0792037 3/8" BrssVacBrkr LF288A LdFree

    Watts

    MSRP: $297.38
    Now: $229.79
    Watts 0792037 3/8" BrssVacBrkr LF288A LdFree  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $297.38
    Now: $229.79
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    MSRP: $297.38
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    Watts 0315180 N240X-9 1" 150# T&P 4,059,000

    Watts

    MSRP: $1,032.65
    Now: $797.96
    Watts 0315180 N240X-9 1" 150# T&P 4,059,000  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,032.65
    Now: $797.96
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    MSRP: $1,032.65
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    Watts 0121471 3/4"LF174A 80#RlfVlv 1,400,000

    Watts

    MSRP: $608.42
    Now: $470.14
    Watts 0121471 3/4"LF174A 80#RlfVlv 1,400,000  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $608.42
    Now: $470.14
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    MSRP: $608.42
    Now: $470.14
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    Watts 0009638 1" LFN55BM1 REDUCING VALVE

    Watts

    MSRP: $522.80
    Now: $403.98
    Watts 0009638 1" LFN55BM1 REDUCING VALVE  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $522.80
    Now: $403.98
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    MSRP: $522.80
    Now: $403.98
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    Watts R119-06C 3/4" AIR REG. 0/125#

    Parker Watts Fluid Air

    MSRP: $421.15
    Now: $325.43
    Watts R119-06C 3/4" AIR REG. 0/125#  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $421.15
    Now: $325.43
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    MSRP: $421.15
    Now: $325.43
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    Watts R119-02CG 1/4" 0/125#Out Reg. W/Gauge

    Parker Watts Fluid Air

    MSRP: $268.32
    Now: $207.34
    Watts R119-02CG 1/4" 0/125#Out Reg. W/Gauge  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $268.32
    Now: $207.34
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    MSRP: $268.32
    Now: $207.34
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    Watts F105-04BJ 1/2" FILTER 40MICRON

    Parker Watts Fluid Air

    MSRP: $276.57
    Now: $213.72
    Watts F105-04BJ 1/2" FILTER 40MICRON  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $276.57
    Now: $213.72
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    MSRP: $276.57
    Now: $213.72
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    Watts 0875605 REPAIR KIT FOR 152A-3/4"

    Watts

    MSRP: $605.90
    Now: $468.19
    Watts 0875605 REPAIR KIT FOR 152A-3/4"  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $605.90
    Now: $468.19
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    MSRP: $605.90
    Now: $468.19
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    Watts 0864945 REPAIR KIT 1.5" 25AUB-RK

    Watts

    MSRP: $243.16
    Now: $187.90
    Watts 0864945 REPAIR KIT 1.5" 25AUB-RK  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $243.16
    Now: $187.90
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    MSRP: $243.16
    Now: $187.90
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    Watts 0559106 1" 1170-UTM2,90/160F,UnThrd LF

    Watts

    MSRP: $466.27
    Now: $360.30
    Watts 0559106 1" 1170-UTM2,90/160F,UnThrd LF  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $466.27
    Now: $360.30
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    MSRP: $466.27
    Now: $360.30
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    Watts 0276890 174A-1 1/2-100# 5,290,000 RELF

    Watts

    MSRP: $1,134.59
    Now: $876.73
    Watts 0276890 174A-1 1/2-100# 5,290,000 RELF  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,134.59
    Now: $876.73
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    MSRP: $1,134.59
    Now: $876.73
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    Watts 0124003 1"npt Y Strnr LF777S W/TapCap

    Watts

    MSRP: $495.97
    Now: $383.25
    Watts 0124003 1"npt Y Strnr LF777S W/TapCap  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $495.97
    Now: $383.25
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    MSRP: $495.97
    Now: $383.25
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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.