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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 0750162 LF15M2-C-1 WATER HAMMER ARRES

    Watts

    MSRP: $84.48
    Now: $64.00
    Watts 0750162 LF15M2-C-1 WATER HAMMER ARRES  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $84.48
    Now: $64.00
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    MSRP: $84.48
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    Watts 0559104 LF3/4"1170-UTM2,90/160F,UnThrd

    Watts

    MSRP: $442.68
    Now: $342.07
    Watts 0559104 LF3/4"1170-UTM2,90/160F,UnThrd  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $442.68
    Now: $342.07
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    MSRP: $442.68
    Now: $342.07
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    Watts 0555179 1.5" MAXIFLO ChkVlv LF600 LdFr

    Watts

    MSRP: $458.83
    Now: $354.55
    Watts 0555179 1.5" MAXIFLO ChkVlv LF600 LdFr  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $458.83
    Now: $354.55
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    MSRP: $458.83
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    Watts 0388805 T1450F 1/2"ThrdUnion Reg&Relf

    Watts

    MSRP: $312.51
    Now: $241.48
    Watts 0388805 T1450F 1/2"ThrdUnion Reg&Relf  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $312.51
    Now: $241.48
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    MSRP: $312.51
    Now: $241.48
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    Watts 0386467 1/2" Dial Set Fill Valve

    Watts

    MSRP: $245.70
    Now: $186.14
    Watts 0386467 1/2" Dial Set Fill Valve  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $245.70
    Now: $186.14
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    MSRP: $245.70
    Now: $186.14
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    Watts 0386462 B911S-M3 1/2"UnSwFeedwtReg&BkF

    Watts

    MSRP: $414.91
    Now: $314.32
    Watts 0386462 B911S-M3 1/2"UnSwFeedwtReg&BkF  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $414.91
    Now: $314.32
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    MSRP: $414.91
    Now: $314.32
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    Watts 0383793 1 1/2" 55# 4,572,000btu Valve

    Watts

    MSRP: $1,676.07
    Now: $1,295.14
    Watts 0383793 1 1/2" 55# 4,572,000btu Valve  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,676.07
    Now: $1,295.14
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    MSRP: $1,676.07
    Now: $1,295.14
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    Watts 0383544 1 1/2" 36# Relief Valve

    Watts

    MSRP: $1,390.41
    Now: $1,053.34
    Watts 0383544 1 1/2" 36# Relief Valve  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,390.41
    Now: $1,053.34
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    MSRP: $1,390.41
    Now: $1,053.34
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    Watts 0383369 1 1/4" 65# Pressure Relief Vlv

    Watts

    MSRP: $890.98
    Now: $688.49
    Watts 0383369 1 1/4" 65# Pressure Relief Vlv  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $890.98
    Now: $688.49
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    MSRP: $890.98
    Now: $688.49
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    Watts 0382822 1" 55# Relief Valve

    Watts

    MSRP: $615.57
    Now: $475.66
    Watts 0382822 1" 55# Relief Valve  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $615.57
    Now: $475.66
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    MSRP: $615.57
    Now: $475.66
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    Watts 0382572 1" 36# 148,000BTU Reliev Valve

    Watts

    MSRP: $247.48
    Now: $191.24
    Watts 0382572 1" 36# 148,000BTU Reliev Valve  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $247.48
    Now: $191.24
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    MSRP: $247.48
    Now: $191.24
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    Watts 0278327 2" 55# Relief Valve

    Watts

    MSRP: $2,743.85
    Now: $2,078.68
    Watts 0278327 2" 55# Relief Valve  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $2,743.85
    Now: $2,078.68
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    MSRP: $2,743.85
    Now: $2,078.68
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    Watts 0276765 1 1/2" 60# Relief Valve

    Watts

    MSRP: $1,997.56
    Now: $1,513.30
    Watts 0276765 1 1/2" 60# Relief Valve  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,997.56
    Now: $1,513.30
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    MSRP: $1,997.56
    Now: $1,513.30
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    Watts 0276763 1 1/2" 55# Relief Valve

    Watts

    MSRP: $1,902.20
    Now: $1,441.06
    Watts 0276763 1 1/2" 55# Relief Valve  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,902.20
    Now: $1,441.06
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    MSRP: $1,902.20
    Now: $1,441.06
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    Watts 0275823 1 1/4" 55# Relief Valve

    Watts

    MSRP: $1,204.48
    Now: $930.74
    Watts 0275823 1 1/4" 55# Relief Valve  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,204.48
    Now: $930.74
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    MSRP: $1,204.48
    Now: $930.74
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    Watts 0275617 1 1/4" 45# Relief Valve

    Watts

    MSRP: $1,381.50
    Now: $1,067.52
    Watts 0275617 1 1/4" 45# Relief Valve  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,381.50
    Now: $1,067.52
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    MSRP: $1,381.50
    Now: $1,067.52
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    Watts 0275614 1 1/4" 35# Relief Valve

    Watts

    MSRP: $1,518.84
    Now: $1,150.64
    Watts 0275614 1 1/4" 35# Relief Valve  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,518.84
    Now: $1,150.64
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    Qty in Cart: 0
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    MSRP: $1,518.84
    Now: $1,150.64
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    Watts 0275178 1" 85# Relief Valve

    Watts

    MSRP: $329.98
    Now: $254.99
    Watts 0275178 1" 85# Relief Valve  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $329.98
    Now: $254.99
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    MSRP: $329.98
    Now: $254.99
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    Watts 0274686 3/4" 105# 177,000BTU Relief Vl

    Watts

    MSRP: $485.83
    Now: $375.41
    Watts 0274686 3/4" 105# 177,000BTU Relief Vl  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $485.83
    Now: $375.41
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    MSRP: $485.83
    Now: $375.41
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    Watts 0274596 3/4 174A-070

    Watts

    MSRP: $522.80
    Now: $403.98
    Watts 0274596 3/4 174A-070  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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    Qty in Cart: 0
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    MSRP: $522.80
    Now: $403.98
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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.