Check Valves

136 products

  • -53% 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"}
    $29.50
    $63.60 $29.50
    Liquid error (snippets/card-product line 647): comparison of String with 0 failed
  • -47% Off
    Check Valve, Flo Control, Swing, 2" Slip, True Union

    Check Valve, Flo Control, Swing, 2" Slip, True Union

    Check Valve, Flo Control, Swing, 2" Slip, True Union

    Flo Control

    1720C20
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110350630977","discontinued":false,"mpn":"1720C20","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $80.00
    $151.80 $80.00
    Liquid error (snippets/card-product line 647): comparison of String with 0 failed
  • -47% Off
    Check Valve, Flo Control 1011,2"s,1/2lb,Spring,Water,Clear

    Check Valve, Flo Control 1011,2"s,1/2lb,Spring,Water,Clear

    Check Valve, Flo Control 1011,2"s,1/2lb,Spring,Water,Clear

    Flo Control

    1011C20
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110350336065","discontinued":false,"mpn":"1011C20","saleprice":"0","warehouselocations":"Tucson, AZ","warranty":"12 Months"}
    $80.60
    $153.10 $80.60
    Liquid error (snippets/card-product line 647): comparison of String with 0 failed
  • -53% Off
    Check Valve, Flo Control, Spring, 1-1/2"s/2"spg, 1/4 lb, Air

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

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

    Flo Control

    1050C20
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110350041153","discontinued":false,"mpn":"1050C20","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $41.60
    $88.90 $41.60
    Liquid error (snippets/card-product line 647): comparison of String with 0 failed
  • -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":"Murray, UT","warranty":"12 Months"}
    $37.20
    $79.10 $37.20
    Liquid error (snippets/card-product line 647): comparison of String with 0 failed
  • -41% Off
    Flow Meter/Check Valve,FlowVis,Jandy/Praher Retro-Fit

    Flow Meter/Check Valve,FlowVis,Jandy/Praher Retro-Fit

    Flow Meter/Check Valve,FlowVis,Jandy/Praher Retro-Fit

    H2Flow

    FVJ-R-15
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110341947457","discontinued":false,"mpn":"FVJ-R-15","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $165.50
    $282.70 $165.50
    Liquid error (snippets/card-product line 647): comparison of String with 0 failed
  • -54% 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 Pool Products

    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"}
    $31.20
    $67.90 $31.20
    Liquid error (snippets/card-product line 647): comparison of String with 0 failed
  • -51% Off
    1.5" X 2.0" Pvc Check Valve

    1.5" X 2.0" Pvc Check Valve

    1.5" X 2.0" Pvc Check Valve

    Hayward Pool Products

    PSCV2SDGR
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110268547137","discontinued":false,"mpn":"PSCV2SDGR","saleprice":"0","warehouselocations":"Newnan, GA | Bloomfield, CT","warranty":"12 Months"}
    $60.80
    $126.00 $60.80
    Liquid error (snippets/card-product line 647): comparison of String with 0 failed
  • -49% 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 Pool Products

    PSCV2S2
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"mpn":"PSCV2S2","saleprice":"0","warehouselocations":"Newnan, GA | Bloomfield, CT | Murray, UT"}
    $69.70
    $138.70 $69.70
    Liquid error (snippets/card-product line 647): comparison of String with 0 failed
  • -53% Off
    Delcheck 5# Check Valve 2"

    Delcheck 5# Check Valve 2"

    Delcheck 5# Check Valve 2"

    Del Advanced Sanitizer Solutions

    CO-0103
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"discontinued":false,"mpn":"CO-0103","saleprice":"0","warehouselocations":"Newnan, GA | Bloomfield, CT"}
    $30.10
    $65.20 $30.10
    Liquid error (snippets/card-product line 647): comparison of String with 0 failed
  • -58% 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"}
    $12.90
    $30.90 $12.90
    Liquid error (snippets/card-product line 647): comparison of String with 0 failed
  • -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":"Las Vegas, NV","warranty":"12 Months"}
    $20.80
    $47.20 $20.80
    Liquid error (snippets/card-product line 647): comparison of String with 0 failed
  • -47% 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"}
    $83.60
    $159.00 $83.60
    Liquid error (snippets/card-product line 647): comparison of String with 0 failed
  • -51% 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"}
    $52.00
    $108.30 $52.00
  • -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"}
    $24.60
    $53.40 $24.60
  • -52% Off
    Check Valve, Hayward Viper Cleaner, with Hose, Ties

    Check Valve, Hayward Viper Cleaner, with Hose, Ties

    Check Valve, Hayward Viper Cleaner, with Hose, Ties

    Hayward Pool Products

    AX5000CVA
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110745780289","mpn":"AX5000CVA","saleprice":"0","warehouselocations":"Bloomfield, CT","warranty":"12 Months"}
    $53.70
    $112.00 $53.70
    Liquid error (snippets/card-product line 647): comparison of String with 0 failed

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.