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Z400M-2NH-SB
preventing rust
The maximum working pressure is 175 psi (12
a pressure differential relief valve and comes furnished with a GMP meter to detect underground leaks and unauthorized water use
tee handle shutoff
Watts 757DCDA-OSYXPIV-CFM 8 - Part of the 757DCDA Series Sheet Drain Z400M-2NH-SBThis 8 IN stainless steel double check detector backflow preventer is a crucial component in safeguarding potable water from contamination. Used primarily in fire line sprinkler systems where it prevents the backflow of fire suppression materials into the potable water supply, its installation is typically mandated by local authorities in areas identified as non health hazard continuous pressure applications. It has outside stem and yoke resilient
