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    Lochinvar & A.O. Smith 100208173 200F CO AUTO Limit Switch

    Lochinvar & A.O. Smith

    MSRP: $106.16
    Now: $80.43
    Lochinvar & A.O. Smith 100208173 200F CO AUTO 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...
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    Lochinvar & A.O. Smith 100288430 Low Air Pressure Switch

    Lochinvar & A.O. Smith

    MSRP: $115.29
    Now: $87.34
    Lochinvar & A.O. Smith 100288430 Low Air 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...
    MSRP: $115.29
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    Cleveland Controls NS2-0000-01 Field Adjustable Switch

    Cleveland Controls

    MSRP: $33.21
    Now: $25.16
    Cleveland Controls NS2-0000-01 Field Adjustable Switch 0.1/10"w.c., Bleed hole Mounting and Springs  FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by...
    MSRP: $33.21
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    Siemens Industrial Controls 5ST3010 AUX SWITCH 1NO/1NC

    Siemens Industrial Controls

    MSRP: $70.19
    Now: $53.18
    Siemens Industrial Controls 5ST3010 AUX SWITCH 1NO/1NC 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...
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    Bard HVAC 8406-075 PRESSURE SWITCH .65"wc +/-.05"

    Bard HVAC

    MSRP: $36.10
    Now: $27.35
    Bard HVAC 8406-075 PRESSURE SWITCH .65"wc +/-.05"  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...
    MSRP: $36.10
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    Carrier HK02ZB081 Low Pressure Switch 95-50#

    Carrier

    MSRP: $37.29
    Now: $28.25
    Carrier HK02ZB081 Low Pressure Switch 95-50# 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: $37.29
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    Rheem-Ruud 42-105601-24 PRESSURE SWITCH -0.20"WC SPST

    Rheem-Ruud

    MSRP: $22.95
    Now: $17.39
    Rheem-Ruud 42-105601-24  PRESSURE SWITCH -0.20"WC SPST  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: $22.95
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    Rheem-Ruud 42-105601-105 PRESSURE SWITCH KIT -0.35

    Rheem-Ruud

    MSRP: $49.98
    Now: $37.86
    Rheem-Ruud 42-105601-105 PRESSURE SWITCH KIT -0.35  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...
    MSRP: $49.98
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    Armstrong Furnace R102463-01 Pressure Switch -.10"wc SPST 1/4" barb connection

    Armstrong Furnace

    MSRP: $50.56
    Now: $38.30
    Armstrong Furnace R102463-01  Pressure Switch -.10"wc SPST 1/4" barb connection    FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM...
    MSRP: $50.56
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    Rheem-Ruud 42-24196-88 Pressure Switch

    Rheem Ruud

    MSRP: $54.53
    Now: $41.31
    Rheem-Ruud 42-24196-88 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: $54.53
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    Nordyne 626458R Switch 190F 2Pole

    Nordyne

    MSRP: $39.04
    Now: $29.58
    Nordyne 626458R Switch 190F 2Pole  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: $39.04
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    Danfoss 061B000566 1/4" PRESSURE SWITCH .2-1BAR

    Danfoss

    MSRP: $386.89
    Now: $293.10
    Danfoss 061B000566 1/4" PRESSURE SWITCH .2-1BAR   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: $386.89
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    Rheem-Ruud 47-102473-01 (Replaces 47-21711-19) Board Mounted General Purpose Limit Switch

    Rheem-Ruud

    MSRP: $70.19
    Now: $53.18
    Rheem-Ruud 47-102473-01 (Replaces 47-21711-19) Board Mounted General Purpose Limit Switch Controls Temperature 150 degrees F Fixed Open Temperature 130 degrees F Fixed Close Temperature SPST Normally Closed Switch Auto Reset 3" Insertion...
    MSRP: $70.19
    Now: $53.18
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    International Comfort Products 1191126 Limit Switch L150-40F

    International Comfort Products

    MSRP: $31.22
    Now: $23.65
    International Comfort Products 1191126 Limit Switch L150-40F    FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order...
    MSRP: $31.22
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    ASCO 605326-001 CONTROL SWITCH 120V COIL KIT-920

    Asco

    MSRP: $584.50
    Now: $442.80
    ASCO 605326-001 CONTROL SWITCH 120V COIL KIT-920    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: $584.50
    Now: $442.80
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    Trane SWT3927 Limit Switch L155-60F

    Trane

    MSRP: $35.76
    Now: $27.09
    Trane SWT3927 Limit Switch L155-60F   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
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    RBI Boiler 61405254 6 BUTTON SWITCH

    Rbi Boiler

    MSRP: $24.92
    Now: $18.88
    RBI Boiler 61405254 6 BUTTON 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: $24.92
    Now: $18.88
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    RBI Boiler 62651066 BLOCK DRAIN SWITCH

    Rbi Boiler

    MSRP: $89.76
    Now: $68.00
    RBI Boiler 62651066 BLOCK DRAIN 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: $89.76
    Now: $68.00
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    RBI Boiler 60506031 2 POLE SWITCH

    Rbi Boiler

    MSRP: $37.37
    Now: $28.31
    RBI Boiler 60506031 2 POLE 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: $37.37
    Now: $28.31
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    Carrier HK02SA440 High Pressure Cutout 660/505#

    Carrier

    MSRP: $51.61
    Now: $39.10
    Carrier HK02SA440 High Pressure Cutout 660/505#  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: $51.61
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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.