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    Trane SWT3714 Aux Contact Switch 1NO/1NC

    Trane

    MSRP: $22.24
    Now: $17.19
    Trane SWT3714 Aux Contact Switch 1NO/1NC Item is Non-Cancelable / Non-Returnable FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements...
    MSRP: $22.24
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    Lochinvar & A.O. Smith 100096025 On/Off Switch

    Lochinvar & A.O. Smith

    MSRP: $16.98
    Now: $13.12
    Lochinvar & A.O. Smith 100096025 On/Off Switch 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: $16.98
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    Honeywell Sensing and Control V7-6C17D8-048-1 SPDT Basic Microswitch

    Honeywell Sensing and Control

    MSRP: $13.38
    Now: $10.34
    Honeywell Sensing and Control V7-6C17D8-048-1 SPDT Basic Microswitch 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...
    MSRP: $13.38
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    Schneider Electric (Square D) 9038CR36 Float Switch 575vac 1hp

    Schneider Electric (Square D)

    MSRP: $2,104.28
    Now: $1,626.03
    Schneider Electric (Square D) 9038CR36 Float Switch 575vac 1hp 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...
    MSRP: $2,104.28
    Now: $1,626.03
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    Reznor 50418 125-145F Auto Limit Switch

    Reznor

    MSRP: $48.11
    Now: $37.18
    Reznor 50418 Auto Limit Switch 125-145F 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: $48.11
    Now: $37.18
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    Trane SWT3011 Limit Switch 160f Manual Exposed

    Trane

    MSRP: $94.71
    Now: $73.18
    Trane SWT3011 Limit Switch 160f Manual Exposed 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: $94.71
    Now: $73.18
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    Trane SWT3588 Pressure Switch 1.39"WC

    Trane

    MSRP: $106.72
    Now: $82.47
    Trane SWT3588 1.39"WC Pressure Switch 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: $106.72
    Now: $82.47
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    SPX Flow-Hankison 4006367 Pressure Switch 40In 100Out

    SPX Flow-Hankison

    MSRP: $101.48
    Now: $78.41
    SPX Flow-Hankison 4006367 Pressure Switch 40In 100Out 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: $101.48
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    Trane SWT3937 Thermal Switch 125Fop 95Fcl

    Trane

    MSRP: $52.95
    Now: $40.91
    Trane SWT3937 Thermal Switch 125Fop 95Fcl 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: $52.95
    Now: $40.91
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    Aaon R51230 Insert Limit Switch L155F 3"

    Aaon

    MSRP: $42.55
    Now: $32.88
    Aaon R51230 Insert Limit Switch  L155F 3" 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: $42.55
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    Carrier 08-2494-00 A/R Limit Switch

    Carrier

    MSRP: $31.04
    Now: $23.98
    Carrier 08-2494-00 A/R Limit Switch 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: $31.04
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    Daikin-McQuay 331542401 High Pressure Switch

    Daikin-McQuay

    MSRP: $116.26
    Now: $89.84
    Daikin-McQuay 331542401 High Pressure Switch 240V SPST-NC FOR R410 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...
    MSRP: $116.26
    Now: $89.84
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    Daikin-McQuay 047356103 Low Pressure Switch 60/35#

    Daikin-McQuay

    MSRP: $28.38
    Now: $21.93
    Daikin-McQuay 047356103 Low Pressure Switch 60/35# 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: $28.38
    Now: $21.93
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    International Comfort Products 1191026 Limit Switch 160'

    International Comfort Products

    MSRP: $7.87
    Now: $6.08
    International Comfort Products 1191026 Limit Switch 160' 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: $7.87
    Now: $6.08
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    Amana-Goodman BT1243752 Limit Switch

    Amana-Goodman

    MSRP: $64.42
    Now: $49.78
    Amana-Goodman BT1243752 Limit Switch 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: $64.42
    Now: $49.78
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    Lennox 60M13 Float Switch 220f 150psig 25va

    Lennox

    MSRP: $314.34
    Now: $242.90
    Lennox 60M13 Float Switch 220f 150psig 25va 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: $314.34
    Now: $242.90
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    NTI Boiler 6008763801 Limit Switch

    NTI Boiler

    MSRP: $410.55
    Now: $317.25
    NTI Boiler 6008763801 Limit Switch 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: $410.55
    Now: $317.25
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    International Comfort Products 4602000902 Pressure Switch

    International Comfort Products

    MSRP: $40.52
    Now: $31.31
    International Comfort Products 4602000902 Pressure Switch 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: $40.52
    Now: $31.31
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    Danfoss 060B017091 Diff Pressure Switch MP55

    Danfoss

    MSRP: $333.68
    Now: $257.84
    Danfoss 060B017091 Diff Pressure Switch MP55 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: $333.68
    Now: $257.84
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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.