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Backflow Preventers

9 Results Found that Include 107 Products 

Results per page: 16 | 32 | 48
    Anti-Siphon Backflow Preventer
    Reduced Pressure Zone Backflow Preventer
    Double Check Valve Assembly
    Reduced Pressure Zone Backflow Preventer
    Double Check Valve Assembly
    Reduced Pressure Zone Backflow Preventer
    Reduced Pressure Zone Backflow Preventer
    Portable Backflow Preventer,Watts 994
    • WATTS
    • Portable Backflow Preventer, Watts 994
    • Item # 6AUW9
    • Mfr. Model # 994BLT
    • Portable Backflow Preventer, Series Watts 994, Size 2-1/2 In. to 3 In., Connection FNPT x MNPT, Body Material...More

    Hydrant Meter with Backflow Preventer
    • WATTS REGULATOR
    • Hydrant Meter with Backflow Preventer
    • Item # 6AUW6
    • Mfr. Model # 6000HMB Hydrant BFP
    • Hydrant Meter with Backflow Preventer, Series Ames 6000HMB, Size 3 In., Connection NST Fire Hose Swivel, Body...More

    Results per page: 16 | 32 | 48

      A backflow preventer from Grainger can help prevent non-potable water from flowing backwards into a water supply line and contaminating the potable water supply. Backflow preventers can be used in industrial settings where chemicals are connected to water lines and in municipal water systems. Find a high-quality backflow preventer in the size and type you need from Grainger.