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    Rheem-Ruud 47-25349-02 Board Mounted General Purpose Limit Switch (Blue/Blue Color Coded)

    Rheem-Ruud

    MSRP: $19.68
    Now: $14.91
    Rheem-Ruud 47-25349-02 Board Mounted General Purpose Limit Switch (Blue/Blue Color Coded)  Controls Temperature 170 degrees F Fixed Open Temperature 150 degrees F Fixed Close Temperature SPST Normally Closed Switch Auto Reset 3" Insertion...
    MSRP: $19.68
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    International Comfort Products IS203655708 Pressure Switch .65"wc SPST 1/4" barb connection

    International Comfort Products

    MSRP: $69.86
    Now: $52.93
    International Comfort Products IS203655708 Pressure Switch .65"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 ET No Minimum...
    MSRP: $69.86
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    Lennox 25J26 Auto Limit Switch 145-175F

    Lennox

    MSRP: $32.88
    Now: $24.91
    Lennox 25J26 Auto Limit Switch 145-175F   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: $32.88
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    Laars Heating Systems RE2322700 On/off Rocker Switch

    Laars Heating Systems

    MSRP: $100.27
    Now: $75.96
    Laars Heating Systems RE2322700 On/off Rocker 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: $100.27
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    Bard HVAC 8406-082 NC Momentary Pushbutton Switch

    Bard HVAC

    MSRP: $7.44
    Now: $5.64
    Bard HVAC 8406-082 NC Momentary Pushbutton 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: $7.44
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    Cleveland Controls AFS-460-137 Air Pressure Sensing Switch

    Cleveland Controls

    MSRP: $205.71
    Now: $155.84
    Cleveland Controls AFS-460-137 Air Pressure Sensing Switch  Change Contacts on Increasing Pressure from .40" + 0.06"w.c. to 12"w.c. Manual Reset 120v-277Vac 1/2 Psi Maximum Pressure Air or Combustion By Products that will not Degrade...
    MSRP: $205.71
    Now: $155.84
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    Carrier HK02SB022 Low Pressure Switch 117/054#

    Carrier

    MSRP: $49.71
    Now: $37.66
    Carrier HK02SB022 Low Pressure Switch  117/054#  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: $49.71
    Now: $37.66
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    Rheem-Ruud 47-22860-01 Auto Reset Limit Switch (Red Color Coded)

    Rheem-Ruud

    MSRP: $39.78
    Now: $30.14
    Rheem-Ruud 47-22860-01 Auto Reset Limit Switch (Red Color Coded)  Controls, Temperature, 95 degrees F Fixed Close Temperature, 105 degrees F Fixed Open Temperature SPST Normally Closed Switch 1.5 Watt Heat Assisted FurnacePartSource.com...
    MSRP: $39.78
    Now: $30.14
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    Belimo S2A Auxiliary Switch, 2x SPDT, 3A (0.5A inductive) @ 250 VAC

    Belimo

    MSRP: $125.27
    Now: $94.90
    Belimo S2A Auxiliary Switch, 2x SPDT, 3A (0.5A inductive) @ 250 VAC  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: $125.27
    Now: $94.90
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    Johnson Controls P233A-10-AAC Differential Pressure Switch, 1 Bar/4 Mbar to 10 Mbar Range

    Johnson Controls

    MSRP: $56.86
    Now: $43.08
    Johnson Controls P233A-10-AAC Differential Pressure Switch 1 Bar/4 Mbar to 10 Mbar Range FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order...
    MSRP: $56.86
    Now: $43.08
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    Carrier 00PPG000011400A Switch Oil Level

    Carrier

    MSRP: $484.69
    Now: $367.19
    Carrier 00PPG000011400A Switch Oil Level 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: $484.69
    Now: $367.19
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    Belimo P475-1 Damp Pos Switch

    Belimo

    MSRP: $177.06
    Now: $134.14
    Belimo P475-1 Damp Pos Switch NON-MERCURY 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 noted above
    MSRP: $177.06
    Now: $134.14
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    Belimo P475 Aux Switch, Mercury Free 1/2"

    Belimo

    MSRP: $157.20
    Now: $119.09
    Belimo P475 Aux Switch MERCURY FREE 1/2" 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: $157.20
    Now: $119.09
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    Danfoss 060B016891 (Replaces 060B016866) Differential Pressure Switch

    Danfoss

    MSRP: $264.91
    Now: $200.69
    Danfoss 060B016891 (Replaces 060B016866) Differential Pressure Switch MP54 Diff# Control 90sec Delay SPDT This is the Direct Replacement for 060B016866. FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts...
    MSRP: $264.91
    Now: $200.69
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    RBI Boiler 14-0201 Flow Switch

    Rbi Boiler

    MSRP: $320.17
    Now: $242.55
    RBI Boiler 14-0201 Flow 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: $320.17
    Now: $242.55
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    Bard HVAC 1804-0386BX Low Pressure Switch 40#/55#

    Bard HVAC

    MSRP: $229.22
    Now: $173.65
    Bard HVAC 1804-0386BX Low Pressure Switch  40#/55# 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: $229.22
    Now: $173.65
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    Bard HVAC 1804-0462 High Pressure Switch 650#/520#

    Bard HVAC

    MSRP: $108.85
    Now: $82.46
    Bard HVAC 1804-0462 High Pressure Switch  650#/520# 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: $108.85
    Now: $82.46
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    Marvair 70656 660#-OFF 450#-ON N/C HIGH SWT

    Marvair

    MSRP: $51.05
    Now: $38.68
    Marvair 70656 660#-OFF 450#-ON N/C HIGH SWT 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: $51.05
    Now: $38.68
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    Mitsubishi Electric E22853646 High Pressure Switch

    Mitsubishi Electric

    MSRP: $48.72
    Now: $36.91
    Mitsubishi Electric E22853646 High 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: $48.72
    Now: $36.91
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    York 025-41535-000 High Pressure Switch 585-400#

    York

    MSRP: $161.73
    Now: $122.53
    York 025-41535-000 High Pressure Switch 585-400# 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: $161.73
    Now: $122.53
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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.