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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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    Tekmar 422 NET 4 UNIV RESET MODULE

    Tekmar

    MSRP: $1,309.77
    Now: $992.25
    Tekmar 422 NET 4 UNIV RESET MODULE  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,309.77
    Now: $992.25
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    MSRP: $1,309.77
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    Tekmar 153 MIXING SETPOINT CTRL(FLOATING)

    Tekmar

    MSRP: $706.30
    Now: $535.08
    Tekmar 153 MIXING SETPOINT CTRL(FLOATING)  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $706.30
    Now: $535.08
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    MSRP: $706.30
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    Tekmar 086 Humidity & Temp Sensor FlushMt

    Tekmar Controls

    MSRP: $208.79
    Now: $161.34
    Tekmar 086 Humidity & Temp Sensor FlushMt  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $208.79
    Now: $161.34
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    MSRP: $208.79
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    Tekmar 009K 120/24-40 VA Fused Transformer

    Tekmar Controls

    MSRP: $310.46
    Now: $239.90
    Tekmar 009K 120/24-40 VA Fused Transformer   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $310.46
    Now: $239.90
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    MSRP: $310.46
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    Tekmar 724 2" 4WAY MIXING VALVE

    Tekmar

    MSRP: $841.25
    Now: $637.31
    Tekmar 724 2" 4WAY MIXING VALVE  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $841.25
    Now: $637.31
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    MSRP: $841.25
    Now: $637.31
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    Tekmar 374 UNIV RESET CNTRL-2 MIX,STAGE

    Tekmar Controls

    MSRP: $2,245.32
    Now: $1,735.02
    Tekmar 374 UNIV RESET CNTRL-2 MIX,STAGE  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $2,245.32
    Now: $1,735.02
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    MSRP: $2,245.32
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    Tekmar 304P 4 ZONE RELAY PANEL

    Tekmar Controls

    MSRP: $409.15
    Now: $316.16
    Tekmar 304P 4 ZONE RELAY PANEL   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $409.15
    Now: $316.16
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    MSRP: $409.15
    Now: $316.16
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    Tekmar 033 NET4 24V PROGRAMMABLE TIMER

    Tekmar Controls

    MSRP: $349.72
    Now: $264.94
    Tekmar 033 NET4 24V PROGRAMMABLE TIMER  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $349.72
    Now: $264.94
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    Tekmar 711 3-WAY MIXING VALVE 1"NPT

    Tekmar

    MSRP: $263.59
    Now: $199.69
    Tekmar 711 3-WAY MIXING VALVE 1"NPT  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $263.59
    Now: $199.69
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    MSRP: $263.59
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    Tekmar 304V ZONE VALVE CONTROL PANEL

    Tekmar

    MSRP: $262.78
    Now: $199.08
    Tekmar 304V ZONE VALVE CONTROL PANEL   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $262.78
    Now: $199.08
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    MSRP: $262.78
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    Tekmar 073 Slab Sensor 40'wire

    Tekmar Controls

    MSRP: $294.77
    Now: $227.78
    Tekmar 073 Slab Sensor 40'wire  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $294.77
    Now: $227.78
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    MSRP: $294.77
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    Tekmar 054 ROOM TEMPERATURE UNIT 40-100F

    Tekmar Controls

    MSRP: $207.39
    Now: $160.25
    Tekmar 054 ROOM TEMPERATURE UNIT 40-100F  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $207.39
    Now: $160.25
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    MSRP: $207.39
    Now: $160.25
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    Tekmar 712 3-WAY MIXING VALVE 1.25"NPT

    Tekmar Controls

    MSRP: $321.50
    Now: $248.43
    Tekmar 712 3-WAY MIXING VALVE 1.25"NPT  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $321.50
    Now: $248.43
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    MSRP: $321.50
    Now: $248.43
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    Tekmar 552 1 STAGE HEAT,7DAY PROGRAMMABLE

    Tekmar Controls

    MSRP: $414.31
    Now: $320.15
    Tekmar 552 1 STAGE HEAT,7DAY PROGRAMMABLE FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET
    MSRP: $414.31
    Now: $320.15
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    MSRP: $414.31
    Now: $320.15
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    Tekmar 720 3/4" 4 WAY MIXING VALVE

    Tekmar Controls

    MSRP: $348.23
    Now: $269.09
    Tekmar 720 3/4" 4 WAY MIXING VALVE   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $348.23
    Now: $269.09
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    MSRP: $348.23
    Now: $269.09
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    Tekmar 561 PROG WIFI STAT 24v

    Tekmar Controls

    MSRP: $353.43
    Now: $273.10
    Tekmar #561 PROG WIFI STAT 24v   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $353.43
    Now: $273.10
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    MSRP: $353.43
    Now: $273.10
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    Tekmar 553 2H/1C 24V PROGRAMMABLE TSTAT

    Tekmar Controls

    MSRP: $470.88
    Now: $363.86
    Tekmar 553 2H/1C 24V PROGRAMMABLE TSTAT   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $470.88
    Now: $363.86
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    MSRP: $470.88
    Now: $363.86
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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.