Check Valves

135 products

  • -39% Off
    H2Flow FlowVis Flow Meter and Check Valve, 2 in / 2-1/2 in Spigot, with Safety Flapper

    H2Flow FlowVis Flow Meter and Check Valve, 2 in / 2-1/2 in Spigot, with Safety Flapper

    H2Flow FlowVis Flow Meter and Check Valve, 2 in / 2-1/2 in Spigot, with Safety Flapper

    H2Flow

    FV-C-S
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"discontinued":false,"mpn":"FV-C-S","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ | Newnan, GA"}
    $237.30
    $394.40 $237.30
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  • -45% Off
    Inlet Assembly, Hayward Perflex EC60/65/70, with Check Valve

    Inlet Assembly, Hayward Perflex EC60/65/70, with Check Valve

    Inlet Assembly, Hayward Perflex EC60/65/70, with Check Valve

    Hayward

    ECX4201CA
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110285684801","discontinued":false,"mpn":"ECX4201CA","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ | Newnan, GA | Bloomfield, CT | Murray, UT","warranty":"12 Months"}
    $88.40
    $163.30 $88.40
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  • -52% Off
    Check Valve, Pentair Auto Feeders, 1/2" Tube x Tube, In-Line

    Check Valve, Pentair Auto Feeders, 1/2" Tube x Tube, In-Line

    Check Valve, Pentair Auto Feeders, 1/2" Tube x Tube, In-Line

    Pentair

    R172324
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110488059969","discontinued":false,"mpn":"R172324","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":"Memphis, TN | Tucson, AZ | Newnan, GA | Bloomfield, CT | Murray, UT","warranty":"12 Months"}
    $43.40
    $92.30 $43.40
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  • -51% Off
    Check Valve, Pentair, 1-1/2", Spa Return Line, Generic

    Check Valve, Pentair, 1-1/2", Spa Return Line, Generic

    Check Valve, Pentair, 1-1/2", Spa Return Line, Generic

    Val-Pak

    V20-340
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110355415105","discontinued":false,"mpn":"V20-340","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $39.90
    $83.10 $39.90
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  • -56% Off
    Check Valve, CMP, Spring, 2"spg/1-1/2"s, 1/4 lb, Air

    Check Valve, CMP, Spring, 2"spg/1-1/2"s, 1/4 lb, Air

    Check Valve, CMP, Spring, 2"spg/1-1/2"s, 1/4 lb, Air

    Custom Molded Products

    25067-000-000
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110355349569","discontinued":false,"mpn":"25067-000-000","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $26.70
    $60.80 $26.70
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  • -53% Off
    Check Valve, Swing/Spring, Valterra, 2" Slip, 1/2 lb.

    Check Valve, Swing/Spring, Valterra, 2" Slip, 1/2 lb.

    Check Valve, Swing/Spring, Valterra, 2" Slip, 1/2 lb.

    Valterra Products

    200-C20
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110352728129","discontinued":false,"mpn":"200-C20","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $31.70
    $67.60 $31.70
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  • -53% Off
    Check Valve, Swing/Spring, Valterra, 1-1/2" Slip, 1/2 lb.

    Check Valve, Swing/Spring, Valterra, 1-1/2" Slip, 1/2 lb.

    Check Valve, Swing/Spring, Valterra, 1-1/2" Slip, 1/2 lb.

    Valterra Products

    200-C15
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110352695361","discontinued":false,"mpn":"200-C15","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $28.00
    $59.70 $28.00
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  • -51% Off
    Check Valve, Magic, 2"s, Corrosion Resistant, 1/2 lb, Water

    Check Valve, Magic, 2"s, Corrosion Resistant, 1/2 lb, Water

    Check Valve, Magic, 2"s, Corrosion Resistant, 1/2 lb, Water

    Magic Plastics

    0801-20H2
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110352007233","mpn":"0801-20H2","prop65":"This product can expose you to chemicals including Vinyl Chloride, which is known to the State of California to cause cancer.","warehouselocations":"Murray, UT","warranty":"12 Months"}
    $46.80
    $97.00 $46.80
  • -51% Off
    Check Valve, Magic Plastics Smart Check, 2"Union, 1/2 lb, Wa

    Check Valve, Magic Plastics Smart Check, 2"Union, 1/2 lb, Wa

    Check Valve, Magic Plastics Smart Check, 2"Union, 1/2 lb, Wa

    Magic Plastics

    0823-20C
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110351810625","discontinued":false,"mpn":"0823-20C","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"}
    $48.10
    $99.90 $48.10
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  • -52% Off
    Check Valve, Magic Plastics Smart Check, 1"Union, 1/2 lb, Water

    Check Valve, Magic Plastics Smart Check, 1"Union, 1/2 lb, Water

    Check Valve, Magic Plastics Smart Check, 1"Union, 1/2 lb, Water

    Magic Plastics

    0823-10C
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110351646785","discontinued":false,"mpn":"0823-10C","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"}
    $30.30
    $63.90 $30.30
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  • -50% Off
    Check Valve, Waterway, 2"s or 2-1/2"spg, Straight Body

    Check Valve, Waterway, 2"s or 2-1/2"spg, Straight Body

    Check Valve, Waterway, 2"s or 2-1/2"spg, Straight Body

    Waterway Plastics

    600-7010
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110348632129","discontinued":false,"mpn":"600-7010","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ | Murray, UT","warranty":"12 Months"}
    $57.50
    $116.30 $57.50
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  • -52% Off
    Check Valve, Spring, Return Line, 1-1/2" Male Pipe Thread

    Check Valve, Spring, Return Line, 1-1/2" Male Pipe Thread

    Check Valve, Spring, Return Line, 1-1/2" Male Pipe Thread

    Val-Pak

    V20-339
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110343848001","mpn":"V20-339","saleprice":"0","warehouselocations":"Bloomfield, CT | Murray, UT","warranty":"12 Months"}
    $39.90
    $83.20 $39.90
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  • -46% Off
    Check Valve, Pentair, 2"s/2-1/2"spg, Straight, CPVC

    Check Valve, Pentair, 2"s/2-1/2"spg, Straight, CPVC

    Check Valve, Pentair, 2"s/2-1/2"spg, Straight, CPVC

    Pentair

    263042
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110342701121","discontinued":false,"mpn":"263042","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":"Memphis, TN | Tucson, AZ | Bloomfield, CT","warranty":"12 Months"}
    $86.00
    $159.30 $86.00
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  • -43% Off
    Check Valve, Jandy, 2-1/2"s x 3"spg

    Check Valve, Jandy, 2-1/2"s x 3"spg

    Check Valve, Jandy, 2-1/2"s x 3"spg

    Jandy

    7307
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110342111297","discontinued":false,"mpn":"7307","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ | Newnan, GA | Bloomfield, CT | Murray, UT","warranty":"12 Months"}
    $113.80
    $200.70 $113.80
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  • -40% Off
    H2Flow FlowVis FV-C-15 Flow Meter and Check Valve, 1-1/2 in Slip

    H2Flow FlowVis FV-C-15 Flow Meter and Check Valve, 1-1/2 in Slip

    H2Flow FlowVis FV-C-15 Flow Meter and Check Valve, 1-1/2 in Slip

    H2Flow

    FV-C-15
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110341881921","mpn":"FV-C-15","saleprice":"0","warehouselocations":"Bloomfield, CT","warranty":"12 Months"}
    $213.00
    $359.20 $213.00
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  • -53% Off
    Check Valve, Hayward Star-Clear/Perflex/ASL/RegenX

    Check Valve, Hayward Star-Clear/Perflex/ASL/RegenX

    Check Valve, Hayward Star-Clear/Perflex/ASL/RegenX

    Hayward

    ECX4077B1
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110303772737","discontinued":false,"mpn":"ECX4077B1","saleprice":"0","warehouselocations":"Bloomfield, CT | Murray, UT","warranty":"12 Months"}
    $32.00
    $68.20 $32.00
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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.