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    Vacuum Breaker for Wall & Yard Hydrants, 3/4" FGHT Inlet Port, 3/4" MGHT Outlet Port

    (For Back-Siphonage Protection)

    Model NF8: Especially made for wall and yard hydrants. Permits manual draining for freezing conditions. NF8 has a shearing head set screw, which locks it to the hydrant to prevent tampering.

    Anti-Siphon Vacuum Breakers designed to prevent back-siphonage of contaminated water into safe water supply.

    Note: Always check local plumbing codes for required level of back flow protection; valves below may not meet local codes. See RPZ Valves at left for highest level of back flow protection.
    Manufacturer: Watts Regulator
    $34.50 / EA
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