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    Lennox 18K69 L150F L333F Limit Switch

    Lennox

    MSRP: $68.94
    Now: $53.27
    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...
    MSRP: $68.94
    Now: $53.27
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    Carrier 338096-701 Limit Switch, Automatic, 160-180 Degree

    Carrier

    MSRP: $31.07
    Now: $24.01
    Carrier 338096-701 Limit Switch, Automatic, 160-180 Degree   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $31.07
    Now: $24.01
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    Lennox 24W51 .65/1.15"WC 2stage Press Sw

    Lennox

    MSRP: $76.92
    Now: $59.44
    Lennox 24W51 .65/1.15"WC 2stage Press Sw   FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $76.92
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    Nordyne 1018498 High Altitude Press Sw Hose Kit

    Nordyne

    MSRP: $63.01
    Now: $48.69
    Nordyne 1018498 High Altitude Press Sw Hose Kit   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $63.01
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    International Comfort Products 1192930 (Replaces 1013801) 2.11"wc Air # Sensor Switch

    International Comfort Products

    MSRP: $36.55
    Now: $28.24
    International Comfort Products 1192930 (Replaces 1013801)  2.11"wc Air # Sensor Switch  This is the direct replacement for 1013801
    MSRP: $36.55
    Now: $28.24
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    York S1-025-29041-004 130-160F Auto Limit Switch 3"

    York - Source 1

    MSRP: $87.02
    Now: $67.24
    York S1-025-29041-004 130-160F Auto Limit Switch 3"   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $87.02
    Now: $67.24
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    Trane SWT1280 125-155F AUTO Limit Switch

    Trane

    MSRP: $67.78
    Now: $52.38
    Trane SWT1280  125-155F AUTO Limit Switch   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $67.78
    Now: $52.38
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    National Comfort Products 14208320 L160-60F LIMIT SWITCH

    National Comfort Products

    MSRP: $75.54
    Now: $58.37
    National Comfort Products 14208320 L160-60F LIMIT SWITCH   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $75.54
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    Rheem 42-24166-81 Dual Press Sw(-)0.15wc,(-)0.30wc

    Rheem-Ruud

    MSRP: $92.14
    Now: $71.20
    Rheem 42-24166-81 Dual Press Sw(-)0.15wc,(-)0.30wc   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $92.14
    Now: $71.20
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    Rheem PD476632 L140-40 SPST LIMIT SWITCH

    Rheem-Ruud

    MSRP: $50.51
    Now: $39.03
    Rheem PD476632  L140-40 SPST LIMIT SWITCH   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $50.51
    Now: $39.03
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    Lennox 14A48 .50/.85 PRESSURE SWITCH

    Lennox

    MSRP: $88.37
    Now: $68.29
    Lennox 14A48 .50/.85 PRESSURE SWITCH FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $88.37
    Now: $68.29
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    Lennox 27K79 Limit 175Op 145Cl

    Lennox

    MSRP: $16.62
    Now: $12.84
    Lennox 27K79 Limit 175Op 145Cl   FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $16.62
    Now: $12.84
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    Lennox 43K47 L220f M/R Flame Rollout Switch

    Lennox

    MSRP: $45.14
    Now: $34.88
    Lennox 43K47 L220f M/R Flame Rollout Switch   FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $45.14
    Now: $34.88
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    Rheem-Ruud 42-106257-01 Pressure Switch

    Rheem

    MSRP: $23.31
    Now: $17.66
    Rheem-Ruud 42-106257-01 Pressure Switch   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $23.31
    Now: $17.66
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    Armstrong Furnace R102613-01 PRESSURE SWITCH 2-STG .45/.80

    Armstrong Furnace

    MSRP: $74.73
    Now: $57.74
    Armstrong Furnace R102613-01  PRESSURE SWITCH 2-STG .45/.80   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts – Every time No Minimum...
    MSRP: $74.73
    Now: $57.74
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    Carrier 00PPG000472900 FLOW SWITCH

    Carrier

    MSRP: $1,393.34
    Now: $1,055.56
    Carrier 00PPG000472900 FLOW SWITCH Item is Non Cancelable / Non Returnable   FurnacePartSource.com Commitment
    MSRP: $1,393.34
    Now: $1,055.56
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    MSRP: $1,393.34
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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.