Dual Check Valves (Watts Series 7)

Series 7 Dual Check Valves prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. The Watts Series 7 Dual Check Valve consists of a bronze body construction, with two plastic replaceable check valves, and stainless steel springs. Series 7 is designed for non-health hazard residential water system containment, continuous pressure applications. Minimum Working Pressure: 10psi (69 kPa) Maximum Working Pressure: 150psi (10 bar).

Manuals -


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  • 3/8" LF7C Dual Check Valve View Specs
    • SKU: 0792077
    • Brand: Watts

    $57.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 1/2" LF7U2-2 Dual Check Valve, Lead Free View Specs
    • SKU: 0072203
    • Brand: Watts

    $38.95 / each

    $373.50 / box
    10 x $37.35

    In Stock! (4 Available) Ships in 24-48 Hrs
  • 3/4" LF7 U2-2 Lead Free Dual Check Valve View Specs
    • SKU: 0792069
    • Brand: Watts

    $69.95 / each

    In Stock! (12 Available) Ships in 24-48 Hrs
  • 3/4" LF7RU2-2 Lead Free Dual Check Valve View Specs
    • SKU: 0072204
    • Brand: Watts

    $33.95 / each

    $327.50 / box
    10 x $32.75

    In Stock! (12 Available) Ships in 24-48 Hrs
  • 1" LF7RU2-2 Lead Free Dual Check Valve View Specs
    • SKU: 0072205
    • Brand: Watts

    $37.95 / each

    $366.50 / box
    10 x $36.65

    In Stock! (10 Available) Ships in 24-48 Hrs
  • 1-1/4" x 1-1/4" LF7 Dual Check Valve (Bronze) Lead Free View Specs

    $117.95 / each

    In Stock! (2 Available) Ships in 24-48 Hrs
  • LF07S LF 1" Residential Fire Sprinkler Dual Check Backflow Preventer, Lead Free View Specs

    $173.95 / each

    Out of Stock Allow 7-10 Days to Ship Out
  • 3/8" LF7 Dual Check Valve (Bronze) Lead Free View Specs

    $49.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • RK L7-T, Lead Free Repair Kit for 3/4", 1" L7 In-Line Testable/Serviceable Dual Check Valves View Specs

    $24.95 / each

    In Stock! (2 Available) Ships in 24-48 Hrs