50HF Vacuum Breaker – Chrome
UPGRADE to the Nidel® 50HF series to protect from spray-back! Standard on Woodford model 26 Y2 H34 and B26 with 13/16″ – 24 special thread X 3/4″ Hose Threads. The first ASSE 1052 Approved automatic draining double-check backflow preventer. When a hose is removed from a Model 50 equipped wall faucet or yard hydrant two linked but independent checks move as one to open a path through the valve allowing water to drain completely and prevent freezing. Patent # 8042565 B2.
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