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  1. Showing 1 - 36 out of 180 results for "what is a check valve"
    1. Watts 3/4-In FNPT X FNPT Bronze Dual Check Valve | LF7RU2-2 3/4 X 3/4 R
      4.7
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      20
      4.7
      20 ratings
      Watts 3/4-In FNPT X FNPT Bronze …
      L
      Lowe's
    2. 4.6
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      11
      4.6
      11 ratings
      Control Devices-M2525-1WA Brass …
      A
      Amazon.com
      delivery truckFree shipping
    3. 4.5
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      8
      4.5
      8 ratings
      Chillwaves Brass Swing Check Valv…
      A
      Amazon.com
    4. 3.3
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      20
      3.3
      20 ratings
      2 in. PVC FIP X FIP Sch. 40 Check …
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      Home Depot
      delivery truckFree shipping
    5. 3.6
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      23
      3.6
      23 ratings
      1/2 in. Solvent X 1/2 in. Solvent Sch…
      H
      Home Depot
      delivery truckFree shipping
    6. 4.5
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      8
      4.5
      8 ratings
      3/4 in. IPS Brass Swing Check Valve
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      Home Depot
      delivery truckFree shipping
    7. 4.8
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      14
      4.8
      14 ratings
      1 in. FIP X 1 in. FIP Lead Free Bras…
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      Home Depot
      delivery truckFree shipping
    8. 4.2
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      52
      4.2
      52 ratings
      1 in. FIP X FIP PVC Threaded Chec…
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      Home Depot
      delivery truckFree shipping
    9. 5
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      4
      5
      4 ratings
      Simmons 503Sb Check Valve 1" - S…
      W
      Walmart
      delivery truckFree shipping
    10. 4.3
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      8
      4.3
      8 ratings
      1-1/4 in. FIP X 1-1/4 FIP Lead Free …
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      Home Depot
      delivery truckFree shipping
    11. 3.6
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      23
      3.6
      23 ratings
      Homewerks 1/2 in. D X 1/2 in. D FI…
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      Ace Hardware
    12. 4.7
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      43
      4.7
      43 ratings
      Water Source Brass Check Valve, …
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      Tractor Supply Co.
    13. 4.5
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      54
      4.5
      54 ratings
      Watts Dual Check Valve: LF7R, 1/2 …
      G
      Grainger
    14. 3.6
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      23
      3.6
      23 ratings
      1-1/4 in. Solvent X 1-1/4 in. Solvent …
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      Home Depot
      delivery truckFree shipping
    15. 3.4
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      14
      3.4
      14 ratings
      Homewerks 3/4 in. D X 3/4 in. D Sol…
      A
      Ace Hardware
    16. 3.3
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      3
      3.3
      3 ratings
      1" NPT Brass Swing Check Valve
      Cashback4%Cashbackcash back
      Z
      Zoro.com
    17. 3.6
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      23
      3.6
      23 ratings
      Homewerks 1 in. D X 1 in. D Solven…
      A
      Ace Hardware
    18. 4.2
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      5
      4.2
      5 ratings
      Homewerks 1 in. D X 1 in. D FIP Br…
      A
      Ace Hardware
    19. 3.3
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      27
      3.3
      27 ratings
      1 in. Slip X Slip Solvent-Weld PVC …
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      Home Depot
      delivery truckFree shipping
    20. 3.6
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      23
      3.6
      23 ratings
      Homewerks 1-1/2 in. D X 1-1/2 in. …
      A
      Ace Hardware
    21. 4.5
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      2
      4.5
      2 ratings
      Fibropool Swimming Pool Check Va…
      A
      Amazon.com
    22. 4.1
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      7
      4.1
      7 ratings
      1/2 in. Brass Sweat X Sweat Solder …
      H
      Home Depot
      delivery truckFree shipping
    23. 3/4" NPT Bronze Spring Check Valve
      Cashback4%Cashbackcash back
      Z
      Zoro.com
    24. 5
      ·
      1
      1/2" NPT Stainless Steel Swing Che…
      Cashback4%Cashbackcash back
      Z
      Zoro.com
    25. 4.5
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      19
      4.5
      19 ratings
      Watts 0555177 1" Threaded LF600 …
      S
      SupplyHouse.com
      delivery truckFree shipping
    26. 3.4
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      26
      3.4
      26 ratings
      3/4 in. Slip By Slip Solvent-Weld PV…
      H
      Home Depot
      delivery truckFree shipping
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