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 Harness, HydroQuip, 14", 3-pin

    Pressure Switch Harness, HydroQuip, 14", 3-pin

    Pressure Switch Harness, HydroQuip, 14", 3-pin

    Hydro-Quip

    SKU: PST-59-355-1027
    MPN: 34-0199F
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 1370.0 Website Price Number: 1370.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110665891905","discontinued":false,"mpn":"34-0199F","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months","websiteprice":"13.7"}
    $13.90
    $29.60 $13.90
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  • Pressure Switch, Gecko, 1A, 1/8"mpt, SPNO, 2.0psi, Metal

    Pressure Switch, Gecko, 1A, 1/8"mpt, SPNO, 2.0psi, Metal

    Pressure Switch, Gecko, 1A, 1/8"mpt, SPNO, 2.0psi, Metal

    Gecko Alliance

    SKU: PST-47-439-1301
    MPN: 510AD0249
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 4470.0 Website Price Number: 4470.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110548549697","discontinued":false,"mpn":"510AD0249","saleprice":"0","warehouselocations":"Las Vegas, NV","websiteprice":"44.7"}
    $45.90
    $78.60 $45.90
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  • Vacuum Switch, PresAirTrol, 25A, 1/8"mpt, Adj 135-300" water

    Vacuum Switch, PresAirTrol, 25A, 1/8"mpt, Adj 135-300" water

    Vacuum Switch, PresAirTrol, 25A, 1/8"mpt, Adj 135-300" water

    Pres Air Trol

    SKU: PST-47-369-2005
    MPN: VM12540E
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 4640.0 Website Price Number: 4640.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110548058177","discontinued":false,"mpn":"VM12540E","prop65":"This product can expose you to chemicals including lead, which are known to the state of California to cause cancer and birth defects or other reproductive harm.","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months","websiteprice":"46.4"}
    $43.40
    $77.90 $43.40
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  • Vacuum Switch, PresAirTrol VS11106E, 21A, 1/8"mpt

    Vacuum Switch, PresAirTrol VS11106E, 21A, 1/8"mpt

    Vacuum Switch, PresAirTrol VS11106E, 21A, 1/8"mpt

    Pres Air Trol

    SKU: PST-47-369-2000
    MPN: VS12506E
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 4640.0 Website Price Number: 4640.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110548025409","discontinued":false,"mpn":"VS12506E","saleprice":"0","warehouselocations":"Tucson, AZ | Memphis, TN | Las Vegas, NV","warranty":"12 Months","websiteprice":"46.4"}
    $44.50
    $80.00 $44.50
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  • Pressure Switch, PresAirTrol Tinytrol, 21A, 1/8"b, SPST, 2psi

    Pressure Switch, PresAirTrol Tinytrol, 21A, 1/8"b, SPST, 2psi

    Pressure Switch, PresAirTrol Tinytrol, 21A, 1/8"b, SPST, 2psi

    Pres Air Trol

    SKU: PST-47-369-1105
    MPN: TVA411B
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 2320.0 Website Price Number: 2320.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110547992641","discontinued":false,"mpn":"TVA411B","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months","websiteprice":"23.2"}
    $22.20
    $43.10 $22.20
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  • Pressure Switch, PresAirTrol Tinytrol, 21A, 1/8"mpt, SPDT, 2psi

    Pressure Switch, PresAirTrol Tinytrol, 21A, 1/8"mpt, SPDT, 2psi

    Pressure Switch, PresAirTrol Tinytrol, 21A, 1/8"mpt, SPDT, 2psi

    Pres Air Trol

    SKU: PST-47-369-1100
    MPN: TNP111E-2PR
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 3090.0 Website Price Number: 3090.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110547959873","discontinued":false,"mpn":"TNP111E-2PR","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months","websiteprice":"30.9"}
    $29.30
    $54.00 $29.30
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  • Pressure Switch, PresAirTrol Center Spout, 21A, 1/8"b, SPDT

    Pressure Switch, PresAirTrol Center Spout, 21A, 1/8"b, SPDT

    Pressure Switch, PresAirTrol Center Spout, 21A, 1/8"b, SPDT

    Pres Air Trol

    SKU: PST-47-369-1020
    MPN: PT11120A
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 3440.0 Website Price Number: 3440.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110547927105","discontinued":false,"mpn":"PT11120A","saleprice":"0","warehouselocations":"Idaho Falls, ID | Tucson, AZ","warranty":"12 Months","websiteprice":"34.4"}
    $32.50
    $60.20 $32.50
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  • Pressure Switch, PresAirTrol, Thd Stem, 21A, 1/8"mpt, DPDT

    Pressure Switch, PresAirTrol, Thd Stem, 21A, 1/8"mpt, DPDT

    Pressure Switch, PresAirTrol, Thd Stem, 21A, 1/8"mpt, DPDT

    Pres Air Trol

    SKU: PST-47-369-1005
    MPN: PM21120A
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 4330.0 Website Price Number: 4330.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110547861569","discontinued":false,"mpn":"PM21120A","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months","websiteprice":"43.3"}
    $40.60
    $72.70 $40.60
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  • Pressure Switch, PresAirTrol, Thd Stem, 21A, 1/8"mpt, SPDT

    Pressure Switch, PresAirTrol, Thd Stem, 21A, 1/8"mpt, SPDT

    Pressure Switch, PresAirTrol, Thd Stem, 21A, 1/8"mpt, SPDT

    Pres Air Trol

    SKU: PST-47-369-1000
    MPN: PM11120A
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 3560.0 Website Price Number: 3560.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110547796033","discontinued":false,"mpn":"PM11120A","prop65":"This product can expose you to chemicals including lead, which are known to the state of California to cause cancer and birth defects or other reproductive harm.","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months","websiteprice":"35.6"}
    $32.80
    $60.90 $32.80
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  • Pressure Switch, Tecmark, 1-5 PSI, 1A, 1/8"mpt, Pilot Duty

    Pressure Switch, Tecmark, 1-5 PSI, 1A, 1/8"mpt, Pilot Duty

    Pressure Switch, Tecmark, 1-5 PSI, 1A, 1/8"mpt, Pilot Duty

    Tecmark Corporation

    SKU: PST-47-319-3030
    MPN: 3037P
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 2820.0 Website Price Number: 2820.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110546387009","discontinued":false,"mpn":"3037P","saleprice":"0","warehouselocations":"Bloomfield, CT","warranty":"12 Months","websiteprice":"28.2"}
    $25.60
    $50.60 $25.60
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  • Pressure Switch 3903-DF, 1A, Tecmark, 1/8"mpt, SPST, Field Adj

    Pressure Switch 3903-DF, 1A, Tecmark, 1/8"mpt, SPST, Field Adj

    Pressure Switch 3903-DF, 1A, Tecmark, 1/8"mpt, SPST, Field Adj

    Tecmark Corporation

    SKU: PST-47-319-1065
    MPN: 3903-DF
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 2650.0 Website Price Number: 2650.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110545600577","discontinued":false,"mpn":"3903-DF","saleprice":"0","warehouselocations":"Bloomfield, CT","warranty":"12 Months","websiteprice":"26.5"}
    $22.70
    $44.10 $22.70
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  • Pressure Switch 3001, 25A, Tecmark, 1/4"Comp, SPNO

    Pressure Switch 3001, 25A, Tecmark, 1/4"Comp, SPNO

    Pressure Switch 3001, 25A, Tecmark, 1/4"Comp, SPNO

    Tecmark Corporation

    SKU: PST-47-319-1007
    MPN: 3001
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110545371201","mpn":"3001","prop65":"This product can expose you to chemicals which is known to the State of California to cause cancer and reproductive harm.","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $33.50
    $59.50 $33.50
  • Pressure Switch 4015P, 25A, Tecmark, 1/8"mpt, SPDT, Plastic

    Pressure Switch 4015P, 25A, Tecmark, 1/8"mpt, SPDT, Plastic

    Pressure Switch 4015P, 25A, Tecmark, 1/8"mpt, SPDT, Plastic

    Tecmark Corporation

    SKU: PST-47-319-1405
    MPN: 4015P
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 2610.0 Website Price Number: 2610.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110546157633","discontinued":false,"mpn":"4015P","saleprice":"0","warehouselocations":"Bloomfield, CT","warranty":"12 Months","websiteprice":"26.1"}
    $24.70
    $48.50 $24.70
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  • Pressure Switch 3029, 25A, Tecmark, 1/8"mpt, SPNO

    Pressure Switch 3029, 25A, Tecmark, 1/8"mpt, SPNO

    Pressure Switch 3029, 25A, Tecmark, 1/8"mpt, SPNO

    Tecmark Corporation

    SKU: PST-47-319-1005
    MPN: 3029
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110545305665","mpn":"3029","warehouselocations":"Bloomfield, CT","warranty":"12 Months"}
    $34.40
    $61.30 $34.40
  • Pressure Switch, Zodiac Jandy LRZE, 1-10 psi

    Pressure Switch, Zodiac Jandy LRZE, 1-10 psi

    Pressure Switch, Zodiac Jandy LRZE, 1-10 psi

    Jandy

    SKU: PST-47-295-1198
    MPN: R0015500
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 7930.0 Website Price Number: 7930.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110538391617","discontinued":false,"mpn":"R0015500","saleprice":"0","warehouselocations":"Bloomfield, CT | Newnan, GA","warranty":"12 Months","websiteprice":"79.3"}
    $127.80
    $191.80 $127.80
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  • Pressure Switch 3032, 1A, Tecmark, 1/4"Comp, SPNO

    Pressure Switch 3032, 1A, Tecmark, 1/4"Comp, SPNO

    Pressure Switch 3032, 1A, Tecmark, 1/4"Comp, SPNO

    Tecmark Corporation

    SKU: PST-47-319-1060
    MPN: 3032
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 3190.0 Website Price Number: 3190.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110545535041","mpn":"3032","prop65":"This product can expose you to chemicals which is known to the State of California to cause cancer and reproductive harm.","saleprice":"0","warehouselocations":"Bloomfield, CT","warranty":"12 Months","websiteprice":"31.9"}
    $29.60
    $54.60 $29.60
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