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Backflow Prevention


Hose Connection Vacuum Breakers for Wall & Yard Hydrants, Brass


3/4 in. (20mm)


Series NF8 Hose Connection Vacuum Breakers are designed specifically for wall and yard hydrants to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of brass body construction (NF8) or chrome finish (NF8C), stainless steel working parts, a rubber diaphragm and disc, and a draining stem. The NF8 permits manual draining for freezing conditions. Maximum Pressure:125psi (8.6 bar).

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Disclaimer: Watts product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

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