Check Valves

135 products

  • -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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  • -48% Off
    2.0" X 2.5" Cpvc Check Valve

    2.0" X 2.5" Cpvc Check Valve

    2.0" X 2.5" Cpvc Check Valve

    Hayward

    PSCV2S2
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"mpn":"PSCV2S2","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ | Newnan, GA | Bloomfield, CT | Murray, UT"}
    $73.90
    $142.60 $73.90
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  • -55% Off
    Ozone Supply Check Valve & Tubing Assembly, Used W Eclipse 1, 2, 4

    Ozone Supply Check Valve & Tubing Assembly, Used W Eclipse 1, 2, 4

    Ozone Supply Check Valve & Tubing Assembly, Used W Eclipse 1, 2, 4

    Del Advanced Sanitizer Solutions

    9-0770-01
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"mpn":"9-0770-01","warehouselocations":"Bloomfield, CT","warranty":"12 Months"}
    $27.90
    $62.80 $27.90
  • -59% Off
    Bath 1" Check Valve W/Flapper Assembly

    Bath 1" Check Valve W/Flapper Assembly

    Bath 1" Check Valve W/Flapper Assembly

    Waterway Plastics

    670-1100
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 1120.0 Website Price Number: 1120.0 All Metafields: {"discontinued":false,"mpn":"670-1100","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months","websiteprice":"11.2"}
    $11.30
    $28.10 $11.30
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  • -55% Off
    Check Valve 2"Skt X 2"Skt, Flapper Check Body

    Check Valve 2"Skt X 2"Skt, Flapper Check Body

    Check Valve 2"Skt X 2"Skt, Flapper Check Body

    Waterway Plastics

    550-6800
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"discontinued":false,"mpn":"550-6800","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ | Las Vegas, NV","warranty":"12 Months"}
    $20.70
    $46.70 $20.70
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  • -45% Off
    Check Valve 5Lb. 2" Sxs Clear PVC Union

    Check Valve 5Lb. 2" Sxs Clear PVC Union

    Check Valve 5Lb. 2" Sxs Clear PVC Union

    Flo Control

    1795C20
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110241218625","mpn":"1795C20","saleprice":"0","warehouselocations":"Tucson, AZ","warranty":"12 Months"}
    $88.50
    $163.30 $88.50
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  • -50% Off
    25830-360-000 CMP Corrosion Resistant Check Valve

    25830-360-000 CMP Corrosion Resistant Check Valve

    25830-360-000 CMP Corrosion Resistant Check Valve

    Custom Molded

    25830-360-000
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"mpn":"25830-360-000","warehouselocations":"Bloomfield, CT"}
    $53.60
    $108.90 $53.60
  • -53% Off
    25062-159-000 Zodiac Swing Check Valve 1.5" Sxs

    25062-159-000 Zodiac Swing Check Valve 1.5" Sxs

    25062-159-000 Zodiac Swing Check Valve 1.5" Sxs

    Zodiac

    25062-159-000
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"mpn":"25062-159-000","warehouselocations":"Bloomfield, CT"}
    $25.20
    $53.70 $25.20
  • -45% Off
    Check Valve Assembly, Waterway Poly Jet, Barb Air

    Check Valve Assembly, Waterway Poly Jet, Barb Air

    Check Valve Assembly, Waterway Poly Jet, Barb Air

    Waterway Plastics

    600-1100
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110586789953","discontinued":false,"mpn":"600-1100","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $9.90
    $18.00 $9.90
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  • -53% Off
    Check Valve, Aquastar ChemStar CH100

    Check Valve, Aquastar ChemStar CH100

    Check Valve, Aquastar ChemStar CH100

    AquaStar Pool Products

    CH1010
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110502576193","discontinued":false,"mpn":"CH1010","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ"}
    $16.20
    $34.60 $16.20
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  • -54% Off
    Check Valve Assembly, WW Above Ground In-Line Chlorinator

    Check Valve Assembly, WW Above Ground In-Line Chlorinator

    Check Valve Assembly, WW Above Ground In-Line Chlorinator

    Waterway Plastics

    600-1180
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110501691457","discontinued":false,"mpn":"600-1180","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $18.10
    $40.10 $18.10
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  • -52% Off
    Injection Check Valve, Stenner, Series 45/85/100/170, 3/8"

    Injection Check Valve, Stenner, Series 45/85/100/170, 3/8"

    Injection Check Valve, Stenner, Series 45/85/100/170, 3/8"

    Stenner Pump Company

    UCINJ38
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110500347969","discontinued":false,"mpn":"UCINJ38","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ | Bloomfield, CT","warranty":"12 Months"}
    $31.50
    $66.90 $31.50
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  • -55% Off
    Check Valve, Pent.Rainbow Auto.Feeder 300, 302, 300-19/29, 1/4

    Check Valve, Pent.Rainbow Auto.Feeder 300, 302, 300-19/29, 1/4

    Check Valve, Pent.Rainbow Auto.Feeder 300, 302, 300-19/29, 1/4

    Pentair

    R172323
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110496251969","discontinued":false,"mpn":"R172323","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"}
    $27.50
    $61.90 $27.50
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  • -58% Off
    Check Valve, Pentair Rainbow Auto.Feeder 300, 302, 300-19/29

    Check Valve, Pentair Rainbow Auto.Feeder 300, 302, 300-19/29

    Check Valve, Pentair Rainbow Auto.Feeder 300, 302, 300-19/29

    Pentair

    R172020
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110496022593","mpn":"R172020","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":"Newnan, GA","warranty":"12 Months"}
    $13.50
    $32.60 $13.50
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  • -54% Off
    Check Valve, Pentair Rainbow Automatic Feeder 320, 1/2

    Check Valve, Pentair Rainbow Automatic Feeder 320, 1/2

    Check Valve, Pentair Rainbow Automatic Feeder 320, 1/2

    Pentair

    R172248Z
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110495596609","mpn":"R172248Z","prop65":"This product can expose you to chemicals which is known to the State of California to cause cancer and reproductive harm.","warehouselocations":"Newnan, GA | Murray, UT","warranty":"12 Months"}
    $18.80
    $40.90 $18.80

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.