Spa Flow Switches

Flow Switches Parts & Replacement for Spa & Hot Tub / Jacuzzi

When your flow switch is defective it is important that you must find a replacement fast to prevent your heater from meltdown. We also sell flow switches parts and kits for spa or hot tub. PST Pool Supplies sells products from top brands including Sundance, Jacuzzi, & more. For more information on products, discounts, or FREE shipping on Contiguous U.S. orders. Call us today at 866-535-0899.

48 products

  • Flow Switch, Harwil Q12DS, 1/2" Male Pipe Thread, 2A

    Flow Switch, Harwil Q12DS, 1/2" Male Pipe Thread, 2A

    Flow Switch, Harwil Q12DS, 1/2" Male Pipe Thread, 2A

    Harwil Corporation

    SKU: PST-26-578-1100
    MPN: Q12DS501.54SNO1
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 7020.0 Website Price Number: 7020.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110354759745","discontinued":false,"mpn":"Q12DS501.54SNO1","prop65":"This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer.","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months","websiteprice":"70.2"}
    $68.10
    $111.10 $68.10
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  • Flow Switch, Harwil Q12DS50 Jacuzzi Whirlpool Bath

    Flow Switch, Harwil Q12DS50 Jacuzzi Whirlpool Bath

    Flow Switch, Harwil Q12DS50 Jacuzzi Whirlpool Bath

    Harwil Corporation

    SKU: PST-26-578-1040
    MPN: Q-12DS50JACUZZINOTEE
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 7450.0 Website Price Number: 7450.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110354726977","discontinued":false,"mpn":"Q-12DS50JACUZZINOTEE","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months","websiteprice":"74.5"}
    $72.30
    $117.90 $72.30
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  • Flow Switch, Harwil Q10DS Dimension 1

    Flow Switch, Harwil Q10DS Dimension 1

    Flow Switch, Harwil Q10DS Dimension 1

    Harwil Corporation

    SKU: PST-26-578-1025
    MPN: Q10-DS/DIMENSION 1
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 8450.0 Website Price Number: 8450.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110354661441","discontinued":false,"mpn":"Q10-DS\/DIMENSION 1","saleprice":"0","warehouselocations":"Idaho Falls, ID | Memphis, TN | Tucson, AZ","warranty":"12 Months","websiteprice":"84.5"}
    $82.20
    $126.30 $82.20
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  • Flow Switch Repl Kit, Harwil Q9DS to Q10N, 1-1/2"x1" Bushing

    Flow Switch Repl Kit, Harwil Q9DS to Q10N, 1-1/2"x1" Bushing

    Flow Switch Repl Kit, Harwil Q9DS to Q10N, 1-1/2"x1" Bushing

    Harwil Corporation

    SKU: PST-26-578-1010
    MPN: Q10N/106911/LB/NO/2F
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 8450.0 Website Price Number: 8450.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110354563137","discontinued":false,"mpn":"Q10N\/106911\/LB\/NO\/2F","saleprice":"0","warehouselocations":"Tucson, AZ | Memphis, TN","warranty":"12 Months","websiteprice":"84.5"}
    $82.20
    $126.30 $82.20
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  • Flow Switch, Harwil Dimension One Q10N, 1"mpt, 1A

    Flow Switch, Harwil Dimension One Q10N, 1"mpt, 1A

    Flow Switch, Harwil Dimension One Q10N, 1"mpt, 1A

    Harwil Corporation

    SKU: PST-26-578-1005
    MPN: 1710-14
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 7750.0 Website Price Number: 7750.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110354530369","discontinued":false,"mpn":"1710-14","saleprice":"0","warehouselocations":"Idaho Falls, ID | Tucson, AZ","warranty":"12 Months","websiteprice":"77.5"}
    $84.20
    $129.30 $84.20
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  • Flow Switch, Harwil Coates Q8DS/A, 1" Male Pipe Thread, 15A

    Flow Switch, Harwil Coates Q8DS/A, 1" Male Pipe Thread, 15A

    Flow Switch, Harwil Coates Q8DS/A, 1" Male Pipe Thread, 15A

    Coates Heater

    SKU: PST-26-578-1001
    MPN: 23000102
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 13070.0 Website Price Number: 13070.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110354497601","discontinued":false,"mpn":"23000102","saleprice":"0","warehouselocations":"Idaho Falls, ID","warranty":"12 Months","websiteprice":"130.7"}
    $103.60
    $213.00 $103.60
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  • Flow Switch, Harwil Q8DS, 1"mpt, 25A, w/Drag Strip

    Flow Switch, Harwil Q8DS, 1"mpt, 25A, w/Drag Strip

    Flow Switch, Harwil Q8DS, 1"mpt, 25A, w/Drag Strip

    Harwil Corporation

    SKU: PST-26-578-1000
    MPN: Q8DS/A/10502
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 8980.0 Website Price Number: 8980.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110354464833","discontinued":false,"mpn":"Q8DS\/A\/10502","prop65":"This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer.","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months","websiteprice":"89.8"}
    $84.90
    $130.40 $84.90
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  • Flow Switch, Dimension One, 3/4"

    Flow Switch, Dimension One, 3/4"

    Flow Switch, Dimension One, 3/4"

    Dimension One

    SKU: PST-26-456-1712
    MPN: 1710-131
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 5270.0 Website Price Number: 5270.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110353875009","discontinued":false,"mpn":"1710-131","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months","websiteprice":"52.7"}
    $56.90
    $97.80 $56.90
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  • Flow Switch, Grid Controls M-310, 25A, 2"s

    Flow Switch, Grid Controls M-310, 25A, 2"s

    Flow Switch, Grid Controls M-310, 25A, 2"s

    Grid Controls

    SKU: PST-26-340-2015
    MPN: 57-F4-3135-T02
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 17650.0 Website Price Number: 17650.0 All Metafields: {"discontinued":false,"mpn":"57-F4-3135-T02","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","websiteprice":"176.5"}
    $168.50
    $252.70 $168.50
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  • Flow Switch, D-1 Repl, 3/4" Slip x 3/4" Barb

    Flow Switch, D-1 Repl, 3/4" Slip x 3/4" Barb

    Flow Switch, D-1 Repl, 3/4" Slip x 3/4" Barb

    Dimension One

    SKU: PST-26-456-1710
    MPN: 1710-130
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 7400 Website Price Number: 7400 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110353842241","discontinued":false,"mpn":"1710-130","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months","websiteprice":"74"}
    $79.90
    $122.70 $79.90
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  • Flow Switch, Hydro-Quip, 3/4" Barb Tee, 1A, 30v

    Flow Switch, Hydro-Quip, 3/4" Barb Tee, 1A, 30v

    Flow Switch, Hydro-Quip, 3/4" Barb Tee, 1A, 30v

    Hydro-Quip

    SKU: PST-26-355-1000
    MPN: 34-0221
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110350762049","mpn":"34-0221","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $90.90
    $139.60 $90.90
  • Flow Switch, Grid Controls M-210, 10A, 2" Spigot

    Flow Switch, Grid Controls M-210, 10A, 2" Spigot

    Flow Switch, Grid Controls M-210, 10A, 2" Spigot

    Grid Controls

    SKU: PST-26-340-2004
    MPN: 57-F1-2212-01W
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 13020.0 Website Price Number: 13020.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110349942849","discontinued":false,"mpn":"57-F1-2212-01W","saleprice":"0","warehouselocations":"Bloomfield, CT","warranty":"12 Months","websiteprice":"130.2"}
    $116.20
    $174.30 $116.20
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  • Flow Switch, Grid Controls M-225, 25A, 115v, 2" Spigot

    Flow Switch, Grid Controls M-225, 25A, 115v, 2" Spigot

    Flow Switch, Grid Controls M-225, 25A, 115v, 2" Spigot

    Grid Controls

    SKU: PST-26-340-2002
    MPN: 57-F1-2225-00W
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 14050.0 Website Price Number: 14050.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110349910081","discontinued":false,"mpn":"57-F1-2225-00W","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months","websiteprice":"140.5"}
    $133.20
    $199.70 $133.20
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  • Flow Switch, Grid Controls M-1, 1A, 1-1/2" Slip

    Flow Switch, Grid Controls M-1, 1A, 1-1/2" Slip

    Flow Switch, Grid Controls M-1, 1A, 1-1/2" Slip

    Grid Controls

    SKU: PST-26-340-1021
    MPN: M-1
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 13780.0 Website Price Number: 13780.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110349713473","discontinued":false,"mpn":"M-1","saleprice":"0","warehouselocations":"Tucson, AZ | Memphis, TN","warranty":"12 Months","websiteprice":"137.8"}
    $130.60
    $195.80 $130.60
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  • Flow Switch, Grid Controls M-25, 25A, 115v, 1-1/2" Slip

    Flow Switch, Grid Controls M-25, 25A, 115v, 1-1/2" Slip

    Flow Switch, Grid Controls M-25, 25A, 115v, 1-1/2" Slip

    Grid Controls

    SKU: PST-26-340-2000
    MPN: 57-F3-2500-WHT
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 15410.0 Website Price Number: 15410.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110349877313","discontinued":false,"mpn":"57-F3-2500-WHT","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months","websiteprice":"154.1"}
    $142.70
    $214.10 $142.70
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  • Flow Switch, Sundance Repl, In-Ground, 5ft Cable

    Flow Switch, Sundance Repl, In-Ground, 5ft Cable

    Flow Switch, Sundance Repl, In-Ground, 5ft Cable

    Allied Innovations

    SKU: PST-26-320-1000
    MPN: SD6560-646
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 8550.0 Website Price Number: 8550.0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110349680705","discontinued":false,"mpn":"SD6560-646","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","websiteprice":"85.5"}
    $92.90
    $142.70 $92.90
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