Check Valves

135 products

  • -53% Off
    Check Valve/Hose Adapter, Hayward SP1091, 1-1/2"mpt x 1-1/4"

    Check Valve/Hose Adapter, Hayward SP1091, 1-1/2"mpt x 1-1/4"

    Check Valve/Hose Adapter, Hayward SP1091, 1-1/2"mpt x 1-1/4"

    Hayward

    SP1091CV
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110756855873","mpn":"SP1091CV","warehouselocations":"Bloomfield, CT","warranty":"12 Months"}
    $26.60
    $57.40 $26.60
  • -52% Off
    522513Z Pentair Injection Check Valve Chemical Feeder

    522513Z Pentair Injection Check Valve Chemical Feeder

    522513Z Pentair Injection Check Valve Chemical Feeder

    Pentair

    522513Z
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"discontinued":false,"mpn":"522513Z","saleprice":"0","warehouselocations":"Newnan, GA | Bloomfield, CT | Murray, UT"}
    $39.50
    $83.50 $39.50
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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":"Memphis, TN | Tucson, AZ","warranty":"12 Months"}
    $29.80
    $64.30 $29.80
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  • -50% Off
    73003 Check Valve, Balboa Water Group Clim8Zone, 2", Low Amp

    73003 Check Valve, Balboa Water Group Clim8Zone, 2", Low Amp

    73003 Check Valve, Balboa Water Group Clim8Zone, 2", Low Amp

    Balboa Water Group

    73003
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"discontinued":false,"mpn":"73003","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ"}
    $43.00
    $86.00 $43.00
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  • -56% Off
    Injection Check Valve, Stenner, Series 45/85/100/170, 1/4"

    Injection Check Valve, Stenner, Series 45/85/100/170, 1/4"

    Injection Check Valve, Stenner, Series 45/85/100/170, 1/4"

    Stenner Pump Company

    UCDBINJ
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110500282433","discontinued":false,"mpn":"UCDBINJ","saleprice":"0","warehouselocations":"Bloomfield, CT | Murray, UT","warranty":"12 Months"}
    $24.70
    $57.10 $24.70
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  • -48% 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"}
    $68.70
    $133.60 $68.70
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  • -50% 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":"Memphis, TN | Tucson, AZ | Murray, UT","warranty":"12 Months"}
    $58.20
    $117.40 $58.20
  • -52% 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 | Las Vegas, NV","warranty":"12 Months"}
    $41.90
    $87.90 $41.90
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  • -55% Off
    Check Valve, Waterway, Spring, 1-1/2" Slip, 1/4 lb, Air

    Check Valve, Waterway, Spring, 1-1/2" Slip, 1/4 lb, Air

    Check Valve, Waterway, Spring, 1-1/2" Slip, 1/4 lb, Air

    Waterway Plastics

    600-8140
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110348042305","discontinued":false,"mpn":"600-8140","saleprice":"0","warehouselocations":"Bloomfield, CT","warranty":"12 Months"}
    $22.50
    $50.50 $22.50
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  • -46% Off
    Check Valve, Paramount, 1/4" Mpt x Compression, 1.5lb

    Check Valve, Paramount, 1/4" Mpt x Compression, 1.5lb

    Check Valve, Paramount, 1/4" Mpt x Compression, 1.5lb

    Paramount Pools

    005-402-2502-00
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110345551937","discontinued":false,"mpn":"005-402-2502-00","saleprice":"0","warehouselocations":"Memphis, TN | Tucson, AZ"}
    $83.20
    $154.80 $83.20
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  • -40% 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"}
    $170.80
    $288.50 $170.80
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  • -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

    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":"Memphis, TN | Tucson, AZ | Newnan, GA | Bloomfield, CT","warranty":"12 Months"}
    $59.20
    $121.30 $59.20
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  • -52% 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":"Memphis, TN | Tucson, AZ | Newnan, GA | Bloomfield, CT"}
    $32.10
    $67.70 $32.10
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  • -50% Off
    Check Valve, Flo Control, Spring, 1-1/2"s, 1/2 lb, True Union

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

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

    Flo Control

    1700C15
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110350368833","mpn":"1700C15","warehouselocations":"Murray, UT","warranty":"12 Months"}
    $63.60
    $128.80 $63.60
  • -49% Off
    CAX-3511 Hayward Pp Injection Check Valve

    CAX-3511 Hayward Pp Injection Check Valve

    CAX-3511 Hayward Pp Injection Check Valve

    Hayward

    CAX3511
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"mpn":"CAX3511","saleprice":"0","warehouselocations":"Bloomfield, CT | Murray, UT"}
    $69.40
    $137.30 $69.40
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  • -51% Off
    Skimmer Check Valve, Pentair StaRite U-3, 2"

    Skimmer Check Valve, Pentair StaRite U-3, 2"

    Skimmer Check Valve, Pentair StaRite U-3, 2"

    StaRite

    08655-0017
    Sale Price Value: 0 Sale Price Number: 0 Website Price Value: 0 Website Price Number: 0 All Metafields: {"bundle":"gid:\/\/shopify\/Metaobject\/110551924801","mpn":"08655-0017","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","warranty":"12 Months"}
    $38.50
    $80.10 $38.50
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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.