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    Backflow Preventer Valve, 3/4" FPT, With Strainer, Includes Flood Sensor On Relief Valve

    Reduced Pressure Zone Backflow Preventers

    Series 909QT: This valve incorporates the (“air-in/water-out”) principle which substantially improves the relief valve discharge performance. (The emergency conditions of combined back siphonage and back pressure with both checks fouled can defeat the effectiveness of a standard RPZ backflow preventers).

     

    Note: Sizes from 3/4" through 2". Supply pressures to 175 PSI. Water temperatures to 140° F

    Features:

    • (2) Quarter-turn, full-port, resilient seated bronze ball valve shutoffs
    • Ball valve test cocks
    • Bronze body construction
    • Modular design, replaceable seats
    • Tight-seating rubber check valve and relief valve assemblies
    • Stainless steel relief valve seats, shafts and flange bolts
    • Available with or without bronze strainer

     

    The 909QT Series come standard with a flood sensor. Sensor activation kit must be purchased if this feature is desired.

     

    Strainer Not Included on QT models: use Watts strainers to permit interchange from QT to QTS style.

    Manufacturer: Watts Regulator
    SKU: WS909QTS-3/4
    $2,288.00 / EA
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    Products specifications
    Body Material Bronze
    Port Size A 3/4"
    Port Type A FPT
    Max PSI 175

    Additional Information

    RPZ Backflow Preventers for prevention of back siphonage and back pressure of contaminated water into safe water supplies in accordance with national plumbing codes and water utility authority requirements.

    Required by many states for use in fertilizer, chemical and industrial plants to protect safe water supplies from chemical contamination. Designed for high hazard cross connections in plumbing systems or for containment at the service line entrance.