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    Amana-Goodman 1370900S Limit Switch L150-30F

    Amana-Goodman

    MSRP: $34.14
    Now: $26.38
    Amana-Goodman 1370900S Limit Switch L150-30F 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 No Minimum...
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    Lochinvar & A.O. Smith 100108690 Pressure Switch -.15"wc SPDT

    Lochinvar & A.O. Smith

    MSRP: $83.18
    Now: $64.27
    Lochinvar & A.O. Smith 100108690 Pressure Switch -0.15" wc SPDT  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: $83.18
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    Lochinvar & A.O. Smith 100288426 Pressure Switch

    Lochinvar & A.O. Smith

    MSRP: $52.83
    Now: $40.83
    Lochinvar & A.O. Smith 100288426 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: $52.83
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    York S1-025-33314-000 Pressure Switch 38/25 O/C

    York

    MSRP: $141.78
    Now: $109.56
    York S1-025-33314-000 Pressure Switch 38/25 O/C 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: $141.78
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    Crandall Stats & Sensors 2390-510-CSS PNEUMOD.MIN.POS.SW.10# SPAN

    Crandall Stats & Sensors

    MSRP: $223.94
    Now: $173.04
    Crandall Stats & Sensors 2390-510-CSS PNEUMOD.MIN.POS.SW.10# SPAN 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: $223.94
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    Trane SWT04681 Low Pressure Switch

    Trane

    MSRP: $20.39
    Now: $15.76
    Trane SWT04681 Low 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: $20.39
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    Honeywell Sensing and Control 914CE18-6 Mini Limit Switch PW 5a SPDT

    Honeywell Sensing and Control

    MSRP: $516.33
    Now: $398.99
    Honeywell Sensing and Control 914CE18-6 Mini Limit Switch PW 5a SPDT 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...
    MSRP: $516.33
    Now: $398.99
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    Marley Engineered Products 4520-11009-000 Limit Switch

    Marley Engineered Products

    MSRP: $36.96
    Now: $28.56
    Marley Engineered Products 4520-11009-000 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: $36.96
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    Rheem-Ruud 47-100246-01 A/R Low Pressure Limit Switch 15Op 40Cl

    Rheem-Ruud

    MSRP: $36.98
    Now: $28.57
    Rheem-Ruud 47-100246-01 A/R Low Pressure Limit Switch 15Op 40Cl 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: $36.98
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    Dwyer Instruments 1627 Pressure Switch 2 SPDT Switches, .15"w.c. to 1.5"w.c. Operating Range

    Dwyer Instruments

    MSRP: $803.04
    Now: $620.53
    Dwyer Instruments 1627 Pressure Switch 2 SPDT Switches .15"w.c. to 1.5"w.c. Operating Range .10-.20 Deadband Setting 0.5 Adjustable Differential between Set Points Air and Non Combustible Gases 1/8" Female NPT Process Connection FurnacePartSource...
    MSRP: $803.04
    Now: $620.53
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    Trane SWT1156 M/R High Pressure Switch 37" Leads

    Trane

    MSRP: $32.90
    Now: $25.42
    Trane SWT1156 M/R High Pressure Switch 37" Leads 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: $32.90
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    Supco SHP275195 Hi Pressure Switch 275#CO 195#CL

    Supco

    MSRP: $22.85
    Now: $17.66
    Supco SHP275195 Hi Pressure Switch 275#CO 195#CL 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: $22.85
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    Trane SWT1430 L180-40F Limit Switch

    Trane

    MSRP: $296.77
    Now: $229.32
    Trane SWT1430 L180-40F 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: $296.77
    Now: $229.32
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    Panasonic ECO Systems FV-WCPT1-W SmartExhaust Fan/LED Light Wall Control Delay Timer Switch

    Panasonic Ventilation

    MSRP: $156.45
    Now: $120.90
    Panasonic ECO Systems FV-WCPT1-W SmartExhaust Fan/LED Light Wall Control Delay Timer Switch Programmable ventilation setting to set the number of minutes per hour the fan should run Programmable delay setting to set the number of minutes the fan should...
    MSRP: $156.45
    Now: $120.90
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    Amana-Goodman 1370902S Limit Switch, 3" insert L210-30F

    Amana-Goodman

    MSRP: $34.15
    Now: $26.39
    Amana-Goodman 1370902S Limit Switch 3" insert L210-30F 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: $34.15
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    Peerless Boiler 50535 Aquastat Limit w/ 3/4" Well

    Peerless Boiler

    MSRP: $449.23
    Now: $347.13
    Peerless Boiler 50535 Aquastat Limit w/ 3/4" Well 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: $449.23
    Now: $347.13
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    Bosch HVAC 8733955613 Pressure Switch

    Bosch HVAC

    MSRP: $15.89
    Now: $12.28
    Bosch HVAC 8733955613 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: $15.89
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    Lennox 59W45 Limit Switch L150-40F

    Lennox

    MSRP: $29.25
    Now: $22.61
    Lennox 59W45 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 Requirements unless noted above
    MSRP: $29.25
    Now: $22.61
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    Schneider Electric (Square D) 9037HW30 Float Switch NEMA IV Close/Rise

    Schneider Electric (Square D)

    MSRP: $1,176.94
    Now: $909.46
    Schneider Electric (Square D) 9037HW30 Float Switch NEMA IV Close/Rise 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: $1,176.94
    Now: $909.46
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    Daikin-McQuay 113110902 Gas Heat Hi Limit Switch 7"

    Daikin-McQuay

    MSRP: $110.96
    Now: $85.74
    Daikin-McQuay 113110902 Gas Heat Hi Limit Switch 7" 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: $110.96
    Now: $85.74
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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.