Check Valves

136 products

  • -53% Off
    Check Valve, Pentair Rainbow Automatic Feeder 322, 1-1/2x 2

    Check Valve, Pentair Rainbow Automatic Feeder 322, 1-1/2x 2

    Check Valve, Pentair Rainbow Automatic Feeder 322, 1-1/2x 2

    Pentair Pool Products

    R172288
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110495531073","mpn":"R172288","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":"Idaho Falls, ID | Newnan, GA","warranty":"12 Months"}
    $42.40
    $90.80 $42.40
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  • -56% Off
    Check Valve Assembly, CMP PowerClean Mini Chlorinator

    Check Valve Assembly, CMP PowerClean Mini Chlorinator

    Check Valve Assembly, CMP PowerClean Mini Chlorinator

    Custom Molded Products

    25280-000-920
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110503788609","discontinued":false,"mpn":"25280-000-920","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $25.90
    $59.20 $25.90
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  • -41% Off
    Flow Meter/Check Valve, FlowVis, Jandy/Praher Retro, 2"s/2-1/2"spg

    Flow Meter/Check Valve, FlowVis, Jandy/Praher Retro, 2"s/2-1/2"spg

    Flow Meter/Check Valve, FlowVis, Jandy/Praher Retro, 2"s/2-1/2"spg

    H2Flow

    FVJ-R
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110341914689","discontinued":false,"mpn":"FVJ-R","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $165.50
    $282.70 $165.50
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  • -53% Off
    Check Valve, Ozone, AquaSunOzone, 1/4" Barb Kynar, Black

    Check Valve, Ozone, AquaSunOzone, 1/4" Barb Kynar, Black

    Check Valve, Ozone, AquaSunOzone, 1/4" Barb Kynar, Black

    AquaSunOzone

    691
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110502740033","discontinued":false,"mpn":"691","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $15.70
    $33.90 $15.70
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  • -53% Off
    Check Valve Kit, 1-1/2 Lb., Tubing Connector

    Check Valve Kit, 1-1/2 Lb., Tubing Connector

    Check Valve Kit, 1-1/2 Lb., Tubing Connector

    Ultra Pure

    1008011
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"discontinued":false,"mpn":"1008011","saleprice":"0","warehouselocations":"Bloomfield, CT","warranty":"12 Months"}
    $38.10
    $81.20 $38.10
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  • -51% Off
    Check Valve, Jandy/Zodiac, 1-1/2" Slip/2" Spigot, 90 degree

    Check Valve, Jandy/Zodiac, 1-1/2" Slip/2" Spigot, 90 degree

    Check Valve, Jandy/Zodiac, 1-1/2" Slip/2" Spigot, 90 degree

    Jandy

    7511
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110349418561","discontinued":false,"mpn":"7511","saleprice":"0","warehouselocations":"Tucson, AZ","warranty":"12 Months"}
    $54.00
    $111.30 $54.00
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  • -53% Off
    Spring Check Valve, Pentair Sta-Rite System 2

    Spring Check Valve, Pentair Sta-Rite System 2

    Spring Check Valve, Pentair Sta-Rite System 2

    StaRite

    27001-0130S
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110299349057","mpn":"27001-0130S","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 | Murray, UT","warranty":"12 Months"}
    $30.10
    $65.30 $30.10
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  • -55% Off
    Check Valve, Magic Plastics, 1-1/2"s x 2"spg, 1/4 lb., Clear

    Check Valve, Magic Plastics, 1-1/2"s x 2"spg, 1/4 lb., Clear

    Check Valve, Magic Plastics, 1-1/2"s x 2"spg, 1/4 lb., Clear

    Magic Plastics

    0830-15C
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110351908929","discontinued":false,"mpn":"0830-15C","prop65":"This product can expose you to chemicals including Vinyl Chloride, which is known to the State of California to cause cancer.","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $20.50
    $46.40 $20.50
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  • -60% Off
    1.5" X 2.0" Cpvc Check Valve

    1.5" X 2.0" Cpvc Check Valve

    1.5" X 2.0" Cpvc Check Valve

    Hayward Pool Products

    PSCV2S
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"discontinued":false,"mpn":"PSCV2S","saleprice":"0","warehouselocations":"Idaho Falls, ID","warranty":"12 Months"}
    $52.70
    $133.80 $52.70
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  • -50% Off
    Elbow Assembly, Hayward Perflex EC65/75, Flanged, w/Check Valve

    Elbow Assembly, Hayward Perflex EC65/75, Flanged, w/Check Valve

    Elbow Assembly, Hayward Perflex EC65/75, Flanged, w/Check Valve

    Hayward Pool Products

    ECX4220A
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110286864449","mpn":"ECX4220A","saleprice":"0","warehouselocations":"Bloomfield, CT | Murray, UT","warranty":"12 Months"}
    $71.90
    $144.10 $71.90
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  • -48% Off
    25830-734-000 Zodiac Serviceable Check Valve, 2" Socket Union

    25830-734-000 Zodiac Serviceable Check Valve, 2" Socket Union

    25830-734-000 Zodiac Serviceable Check Valve, 2" Socket Union

    Zodiac

    25830-734-000
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"mpn":"25830-734-000","warehouselocations":"Bloomfield, CT"}
    $81.60
    $159.90 $81.60
  • -47% Off
    Check Valve, Flo Control, Spring, 2"s, 1/2 lb, True Union

    Check Valve, Flo Control, Spring, 2"s, 1/2 lb, True Union

    Check Valve, Flo Control, Spring, 2"s, 1/2 lb, True Union

    Flo Control

    1700C20
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110350434369","mpn":"1700C20","saleprice":"0","warehouselocations":"Idaho Falls, ID | Murray, UT","warranty":"12 Months"}
    $82.80
    $156.50 $82.80
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  • -53% Off
    DelCheck Check Valve, Del Ozone CO-0101, 1-1/2"s, 1/3 psi

    DelCheck Check Valve, Del Ozone CO-0101, 1-1/2"s, 1/3 psi

    DelCheck Check Valve, Del Ozone CO-0101, 1-1/2"s, 1/3 psi

    Del Advanced Sanitizer Solutions

    CO-0101
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110491762753","mpn":"CO-0101","saleprice":"0","warehouselocations":"Bloomfield, CT","warranty":"12 Months"}
    $28.90
    $62.40 $28.90
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  • -51% Off
    Check Valve, Flo Control, Spring, 1-1/2"s, 1/2lb, True Union, Wht

    Check Valve, Flo Control, Spring, 1-1/2"s, 1/2lb, True Union, Wht

    Check Valve, Flo Control, Spring, 1-1/2"s, 1/2lb, True Union, Wht

    Flo Control

    1700-15
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110350401601","mpn":"1700-15","warehouselocations":"Murray, UT","warranty":"12 Months"}
    $52.50
    $108.10 $52.50
  • -55% Off
    Union Check Valve 1-1/2 In Skt

    Union Check Valve 1-1/2 In Skt

    Union Check Valve 1-1/2 In Skt

    Hayward

    SP14461S
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"discontinued":false,"mpn":"SP14461S","saleprice":"0","warehouselocations":"Tucson, AZ","warranty":"12 Months"}
    $24.90
    $56.10 $24.90
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  • -51% Off
    Corrosion Resistant Serviceable Check Valve, 2In, White

    Corrosion Resistant Serviceable Check Valve, 2In, White

    Corrosion Resistant Serviceable Check Valve, 2In, White

    Custom Molded Products

    25830-410-000
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110250721345","mpn":"25830-410-000","warehouselocations":"Bloomfield, CT"}
    $55.10
    $113.70 $55.10

Explore our comprehensive selection of Check Valves – your essential solution for preventing backflow and ensuring reliable, one-way flow in any piping system. Often called Non-Return Valves, these critical components automatically safeguard your pumps, filters, and other valuable equipment from damage caused by reverse flow or pressure surges. Our collection features a wide range of types (swing, lift, wafer, spring-loaded) and materials (stainless steel, brass, PVC) to meet diverse application needs, from industrial processes to residential plumbing. Shop now to find durable, high-quality check valves that enhance system efficiency and provide long-lasting performance.