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    Laars Heating Systems E2103200 (replacement for SWT1433) 250f M/R Limit Switch

    Laars Heating Systems

    MSRP: $34.90
    Now: $26.44
    Laars Heating Systems E2103200 250f M/R Limit Switch This is the direct replacement for SWT1433 FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $34.90
    Now: $26.44
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    Lennox 11J14 (replacement for 93W89) 0.75" PRESSURE SWITCH

    Lennox

    MSRP: $86.10
    Now: $65.23
    Lennox 11J14 0.75" PRESSURE SWITCH This is the direct replacement for 93W89 FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $86.10
    Now: $65.23
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    Heil Quaker 1191550 Pressure Switch

    Heil Quaker

    MSRP: $55.90
    Now: $42.35
    Heil Quaker 1191550 Pressure Switch   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements  
    MSRP: $55.90
    Now: $42.35
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    Carrier HK06MB021 (replaces HK06NB021) DUAL PRESSURE SWITCH

    Carrier

    MSRP: $73.49
    Now: $55.68
    Carrier HK06MB021 DUAL PRESSURE SWITCH This is the direct replacement for HK06NB021  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $73.49
    Now: $55.68
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    York S1-024-35760-000 .67"WC SPNO Close On Fall # Sw

    York

    MSRP: $50.92
    Now: $38.58
    York S1-024-35760-000 .67"WC SPNO Close On Fall # Sw   FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $50.92
    Now: $38.58
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    A.O. Smith 100110729 (replacement for 9005913205) Prover Switch

    A.O. Smith

    MSRP: $230.21
    Now: $174.40
    A.O. Smith 100110729 Prover Switch  This is the updated version for 9005913205  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements
    MSRP: $230.21
    Now: $174.40
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    Nordyne 626352R (replacement for 626352) 250F M/R Limit Switch

    Nordyne

    MSRP: $20.46
    Now: $15.50
    Nordyne 626352R 250F M/R Limit Switch  This is the direct replacement for 626352 FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements
    MSRP: $20.46
    Now: $15.50
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    Rheem-Ruud 42-105601-20 SPSP PRESSURE SWITCH -.45wc

    Rheem Ruud

    MSRP: $22.95
    Now: $17.39
    Rheem-Ruud 42-105601-20 SPSP PRESSURE SWITCH -.45wc   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements      
    MSRP: $22.95
    Now: $17.39
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    Trane SWT3740 (Replacement for SWT1600) Pressure Switch -.50"WC SPDT

    Trane

    MSRP: $64.38
    Now: $48.78
    Trane SWT3740 (Replacement for SWT1600) Pressure Switch  -.50"WC SPDT  This is the Direct Replacement for SWT1600  FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts...
    MSRP: $64.38
    Now: $48.78
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    International Comfort Products 1192716 (replacement for 1014826) HI ALT PRESSURE SWITCH

    International Comfort Products

    MSRP: $44.80
    Now: $33.94
    International Comfort Products 1192716 HI ALT PRESSURE SWITCH This is the direct replacement for 1014826 FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $44.80
    Now: $33.94
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    Lennox 59W22 L140-40f Limit Switch

    Lennox

    MSRP: $34.29
    Now: $25.98
    Lennox 59W22  L140-40f Limit Switch   FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $34.29
    Now: $25.98
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    Trane SWT04530 (replacement for SWT0608) Reverse Flow Sw; 130Op 120Cl

    Trane

    MSRP: $82.02
    Now: $62.14
    Trane SWT04530 Reverse Flow Sw; 130Op 120Cl This is the direct replacement for SWT0608 FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $82.02
    Now: $62.14
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    Utica-Dunkirk 240013045 (replacement for 14655006) .4"WC SPST PRESSURE SWITCH

    Utica-Dunkirk

    MSRP: $23.76
    Now: $18.00
    Utica-Dunkirk 240013045 .4"WC SPST PRESSURE SWITCH This is the direct replacement for 14655006 FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $23.76
    Now: $18.00
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    Nordyne 632548R (Replaces 632548) PRESSURE SWITCH

    Nordyne

    MSRP: $64.55
    Now: $48.90
    Nordyne 632548R PRESSURE SWITCH This is the Direct Replacement for 632548 FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless noted above
    MSRP: $64.55
    Now: $48.90
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    Nordyne 632547R (replacement for 632547) -0.90"WC SPST PRESSURE SWITCH

    Nordyne

    MSRP: $62.30
    Now: $47.20
    Nordyne 632547R -0.90"WC SPST PRESSURE SWITCH This is the direct replacement for 632547 FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Every time No Minimum Order...
    MSRP: $62.30
    Now: $47.20
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    Armstrong # R102614-01 Pressure Switch -.40"wc SPST 1/4" barb connection Pressure Switch

    Armstrong Furnace

    MSRP: $85.54
    Now: $64.80
      Armstrong # R102614-01 Pressure Switch -.40"wc SPST 1/4" barb connection Pressure Switch     FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $85.54
    Now: $64.80
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    A.O. Smith 100108899 (replacement for 9002678005) Reset Switch

    A.O. Smith

    MSRP: $42.17
    Now: $31.95
    A.O. Smith 100108899 Reset Switch This is the updated version for 9002678005  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements
    MSRP: $42.17
    Now: $31.95
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    York Controls S1-2702-316P/A OP-175 LIMIT SWITCH CLS-145

    York Controls

    MSRP: $62.91
    Now: $47.66
    York Controls S1-2702-316P/A  OP-175 LIMIT SWITCH CLS-145   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements
    MSRP: $62.91
    Now: $47.66
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    International Comfort Products 1174760 ICP Fan Blade

    International Comfort Products

    MSRP: $60.52
    Now: $45.85
    18" Diameter, 26 degree Pitch, 3 Blade, CW Rotation, 1/2" Bore on Intake Side, Fan Blade Item is Non Cancelable / Non Returnable  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts -...
    MSRP: $60.52
    Now: $45.85
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    Lochinvar & A.O. Smith 100110615 (updated version for 9005726215) BLOWER PROVER SWITCH

    A.O. Smith

    MSRP: $92.55
    Now: $70.11
    Lochinvar & A.O. Smith 100110615 BLOWER PROVER SWITCH This is the updated version for 9005726215 FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $92.55
    Now: $70.11
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    MSRP: $92.55
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HVAC Replacement Switches

Without switches, your furnace or air conditioner would simply run non-stop without any method of controlling it. Furnace switches provide a useful service by regulating pressure and power to different modules, which in turn allow your equipment to work in the way that you expect.

Though it can be somewhat of a challenge to find the appropriate switch for any given use case, it can help to locate the brand name and re-order or part number if applicable. While dimensions are provided for each switch in question, the catalog numbers are more than sufficient for finding the correct component in the vast majority of situations.

Pressure Switches

Pressure levels aren’t something to fool around with, considering that excessive pressure measurements could potentially cause a line rupture or other malady. Simply installing a new York Controls limit switch might be enough to slash the possibility of this happening. Take a few moments to check your entire HVAC installation and locate any places where you might be better off with having added a few additional switches like this.

Though you might think that such a simple component is more or less static, nothing could be further from the truth. Updated Lochinvar & A.O. Smith switches are an excellent representation of what new switch technologies are doing to revitalize the industry.

Engineering teams are constantly working on new solutions in this space. While it might not always be obvious and most innovations are incremental at this point, newer switches often boast better build quality and a greater degree of safety as a result of over-engineered points.

Depending on the type of application you’re installing this equipment on, you might find that these designs are considerably more durable than anything you previously used. That’s excellent news for commercial and retail operators in particular since mission-critical operations are quite common in those spaces.

Roll Out Switches

Usually, roll-out switches are found on gas furnaces and they’re used as a safety device. If a gas flame suddenly goes out, then the roll-out switch turns the gas off so that you can’t have a sudden ignition later on. They’re extremely important for this reason, and many jurisdictions require their installation for safety reasons.

Fortunately, there are options from brands like Utica-Dunkirk that can help to dramatically reduce the risk of any accident caused by a flame suddenly going out. All of these roll-out switches are designed to meet or exceed the specifications provided by manufacturers for any piece of equipment that could potentially mount one. As a result, the installation of one could potentially prove to be an upgrade.

Match The Right Switches To Your HVAC System With Furnace Part Source

Traditionally, it can be difficult to match the exact switches needed for a project because of the wide variety. That’s why our team here at Furnace Part Source has put together such a comprehensive collection of switches. They should serve the needs of the greatest number of clients.

Those who run into a snag finding the right safety feature can always use our online contact form. Furnace Part Source will supply HVAC technicians with the necessary components for air conditioning or furnace repair.