Dble-Chck Brass Backflow Prev, 1-1/8" -1

UPGRADE to the NIDEL 50HA series to protect from spray-back. Standard on Woodford models C22, B22, 25, 27 and 30 with 1 1/8 in. – 18 special threads x 3/4 in. hose threads. The first ASSE 1052 Approved automatic draining high-flow double-check backflow preventer. When a hose is removed from a Model 50 equipped wall faucet or yard hydrant, two linked but independent check valves automatically move as one to open a path through the valve allowing water to drain completely and prevent freezing. Patent # 8,042,565 B2. Woodford, The Choice of Professionals. • Only fits Woodford Models C22, B22, 25, 27 and 30 Hydrants • 1 1/8 in. – 18 special threads x 3/4 in. hose threads • Double-check backflow preventer • Brass construction • Woodford, The Choice of Professionals • Made in the USA • • • •