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and other costly property damage
Its durable cast-iron construction ensures long service life
ZB415G-4NL
This valve automatically allows air to enter into the piping system to prevent vacuum conditions that could siphon water from the system and damage water equipment
Watts 757NDCDA-BFG-CFM 3 - Part of the 757DCDA Series Egress System and other costly property damageThis 3 IN, N pattern, double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri link check valves, two UL FM butterfly shutoff valves, and four test cocks. It has a cubic foot meter. It features a stainless steel housing and sleeve and is 70 percent lighter than traditional
