Categories > Valves & Actuators > Backflow Preventers > Vacuum Breaker for Wall & Yard Hydrants > Vacuum Breaker for Wall & Yard Hydrants
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Vacuum Breaker for Wall & Yard Hydrants
(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.