Spa Pressure Switches

Heater Pressure Switch Replacement for Spa & Hot Tub

Increased pH levels can quickly damage your pressure switch. Avoid any further damages to your spa or hot tub by immediately finding a replacement on worn-out or damaged pressure switch. Unattended damaged pressure switch can result to fire or explosion. PST Pool Supplies carries popular brands like: Pentair, Hayward, Pres Air Trol, & more.

56 products

  • Pressure Switch, Len Gordon, 25A, 1/8"mpt, SPDT, Stainless

    Pressure Switch, Len Gordon, 25A, 1/8"mpt, SPDT, Stainless

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    Pressure Switch, Len Gordon, 25A, 1/8"mpt, SPDT, Stainless

    Len Gordon

    SKU: PST-47-439-1252
    MPN: 800122-3
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110548385857","mpn":"800122-3","warranty":"12 Months"}
    $41.30
    $74.00 $41.30
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  • Pressure Switch, Len Gordon, 25A, 1/8"mpt, SPDT, Plastic

    Pressure Switch, Len Gordon, 25A, 1/8"mpt, SPDT, Plastic

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    Pressure Switch, Len Gordon, 25A, 1/8"mpt, SPDT, Plastic

    Len Gordon

    SKU: PST-47-439-1250
    MPN: 800120-3
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 3060.0 Website Price Number: 3060.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110548353089","mpn":"800120-3","saleprice":"0","warehouselocations":"Tucson, AZ","warranty":"12 Months","websiteprice":"30.6"}
    $34.70
    $64.50 $34.70
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  • Pressure Switch, Len Gordon, 1A, 1/8"mpt, SPDT, 15-30psi

    Pressure Switch, Len Gordon, 1A, 1/8"mpt, SPDT, 15-30psi

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    Pressure Switch, Len Gordon, 1A, 1/8"mpt, SPDT, 15-30psi

    Allied Innovations

    SKU: PST-47-439-1245
    MPN: 800134-3
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110548320321","mpn":"800134-3","warranty":"12 Months"}
    $28.40
    $52.00 $28.40
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  • Pressure Switch, PresAirTrol Side Spout, 21A, 1/8"b, DPDT

    Pressure Switch, PresAirTrol Side Spout, 21A, 1/8"b, DPDT

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    Pressure Switch, PresAirTrol Side Spout, 21A, 1/8"b, DPDT

    Pres Air Trol

    SKU: PST-47-369-1015
    MPN: PR21120A
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 3740.0 Website Price Number: 3740.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110547894337","mpn":"PR21120A","saleprice":"0","warehouselocations":"Tucson, AZ","warranty":"12 Months","websiteprice":"37.4"}
    $36.60
    $65.20 $36.60
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  • Pressure Switch, Herga, 21Amp, 1-5psi, 1/8"mpt, DPDT

    Pressure Switch, Herga, 21Amp, 1-5psi, 1/8"mpt, DPDT

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    Pressure Switch, Herga, 21Amp, 1-5psi, 1/8"mpt, DPDT

    Herga Electric

    SKU: PST-47-345-1020
    MPN: 6742-20-U226
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110547140673","mpn":"6742-20-U226","warranty":"12 Months"}
    $41.90
    $75.00 $41.90
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  • Pressure Switch 3046, 25A, Tecmark, 1/8"b, SPNO, Z Bracket

    Pressure Switch 3046, 25A, Tecmark, 1/8"b, SPNO, Z Bracket

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    Pressure Switch 3046, 25A, Tecmark, 1/8"b, SPNO, Z Bracket

    Tecmark Corporation

    SKU: PST-47-319-1019
    MPN: 3046
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110545436737","mpn":"3046","warranty":"12 Months"}
    $39.30
    $70.10 $39.30
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  • Pressure Switch, Lochinvar EnergyRite Heater, Water

    Pressure Switch, Lochinvar EnergyRite Heater, Water

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    Pressure Switch, Lochinvar EnergyRite Heater, Water

    Lochinvar

    SKU: PST-47-203-1042
    MPN: PRS3406
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 6180.0 Website Price Number: 6180.0 All Metafields: {"mpn":"PRS3406","saleprice":"0","warehouselocations":"Tucson, AZ","warranty":"12 Months","websiteprice":"61.8"}
    $74.70
    $114.80 $74.70
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  • Pres Air Switch

    Pres Air Switch

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    Pres Air Switch

    TODELETE

    SKU: PST-_TRP111E-12PR
    MPN: TRP111E-12PR
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 3200 Website Price Number: 3200 All Metafields: {"mpn":"TRP111E-12PR","saleprice":"0","warehouselocations":"Tucson, AZ","warranty":"12 Months","websiteprice":"32"}
    $32.00
    $44.30 $32.00
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