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    Lennox 27K79 Limit 175Op 145Cl

    Lennox

    MSRP: $18.99
    Now: $14.39
    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: $18.99
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    Lennox 43K47 L220f M/R Flame Rollout Switch

    Lennox

    MSRP: $55.29
    Now: $41.89
    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 Requirements    
    MSRP: $55.29
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    Amana-Goodman 0130F00036 180F Primary Auto Limit

    Amana/Goodman

    MSRP: $8.30
    Now: $6.29
    Amana-Goodman 0130F00036 180F Primary Auto Limit   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements
    MSRP: $8.30
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    Amana-Goodman 0130F00038S 120-130F AUTO Limit Switch

    Amana-Goodman

    MSRP: $9.22
    Now: $6.99
    Amana-Goodman 0130F00038S 120-130F AUTO Limit Switch   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts – Every time No Minimum Order Requirements
    MSRP: $9.22
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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 Requirements   Cross References  
    MSRP: $23.31
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    Armstrong Furnace R102613-01 PRESSURE SWITCH 2-STG .45/.80

    Armstrong Furnace

    MSRP: $60.72
    Now: $46.00
    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 Order Requirements
    MSRP: $60.72
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    Cleveland Controls NS2-0421-00 (Replaces RSS-495-421) Pressure Switch, .52"w.c.

    Cleveland Controls

    MSRP: $85.04
    Now: $64.43
    Cleveland Controls NS2-0421-00 (Replaces RSS-495-421) Pressure Switch .52"w.c. This is the Direct Replacement for  RSS-495-421 FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts...
    MSRP: $85.04
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    Bard HVAC 8402-089BX (Replaced by 8402-105) Limit Switch L230-30F 7"

    Bard HVAC

    MSRP: $32.59
    Now: $24.69
    Bard HVAC 8402-089BX (Replaced by 8402-105) Limit Switch L230-30F 7" 8402-105 is the Direct Replacement for 8402-089BX     Click here for the Direct Replacement     FurnacePartSource.com Commitment Always Brand-New...
    MSRP: $32.59
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    Bard HVAC S8402-084 AUTO LIMIT SWITCH, L130-30

    Bard HVAC

    MSRP: $51.25
    Now: $38.83
    Bard HVAC S8402-084 AUTO LIMIT SWITCH, L130-30   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements      
    MSRP: $51.25
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    Cleveland Controls NS2-1427-00 Pressure Switch, Mounting Feet, Compression Fittings

    Cleveland Controls

    MSRP: $102.09
    Now: $77.34
    Cleveland Controls NS2-1427-00 Pressure Switch, Mounting Feet, Compression Fittings   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements
    MSRP: $102.09
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    International Comfort Products 1178028 660-505# HI PRESSURE SWITCH

    International Comfort Products

    MSRP: $42.09
    Now: $31.89
    International Comfort Products 1178028 660-505# HI PRESSURE SWITCH   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements      
    MSRP: $42.09
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    Nordyne 626553R 140-160F AUTO Limit Switch

    Nordyne

    MSRP: $29.42
    Now: $22.29
    Nordyne 626553R 140-160F AUTO Limit Switch   FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $29.42
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    International Comfort Products 1011778 Vent Pressure Switch

    International Comfort Products

    MSRP: $35.46
    Now: $26.86
    International Comfort Products 1011778 Vent Pressure Switch   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements      
    MSRP: $35.46
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    International Comfort Products 1170947 1.38"wc SPST 1/4" barb connection Pressure Switch

    International Comfort Products

    MSRP: $77.58
    Now: $58.78
    International Comfort Products 1170947 1.38"wc SPST 1/4" barb connection Pressure Switch  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $77.58
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    Nordyne 1010775R (Replaces 632453R) SPST PRESSURE SWITCH -0.20"PF

    Nordyne

    MSRP: $35.89
    Now: $27.19
    Nordyne 1010775R (Replaces 632453R) SPST PRESSURE SWITCH  -0.20"PF This is the Direct Replacement for 632453R FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day...
    MSRP: $35.89
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    Nordyne 1023984R (replaces 632393R) 75/55# Low Pressure Switch

    Nordyne

    MSRP: $33.74
    Now: $25.56
    Nordyne 1023984R 75/55# Low Pressure Switch This is the Replacement for 632393R  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements  
    MSRP: $33.74
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    Nordyne 1023983R (replaces 632393R) LOW PRESSURE SWITCH FOR H/P

    Nordyne

    MSRP: $32.37
    Now: $24.53
    Nordyne 1023983R LOW PRESSURE SWITCH FOR H/P This is the Replacement for 632393R  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements  
    MSRP: $32.37
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    York Controls 025-39956-000 High Pressure Cutout Switch

    York Controls

    MSRP: $185.10
    Now: $140.23
    York Controls 025-39956-000 High Pressure Cutout Switch   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $185.10
    Now: $140.23
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    Lochinvar & A.O. Smith 100113144 (replacement for 9008861015) BLOWER PROVER SWITCH

    Lochinvar & A.O. Smith

    MSRP: $87.86
    Now: $66.56
    Lochinvar & A.O. Smith 100113144 BLOWER PROVER SWITCH This is the updated version for 9008861015 FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Every time No Minimum Order...
    MSRP: $87.86
    Now: $66.56
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    Utica-Dunkirk 14631303 180f Vent Temp Switch

    Utica-Dunkirk

    MSRP: $10.49
    Now: $7.95
    Utica-Dunkirk 14631303 180f Vent Temp Switch   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements  
    MSRP: $10.49
    Now: $7.95
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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.