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ZB415G-4NL
Specifications Brand Watts Buy American Act Compliant YES Outlet Connection Size 3 IN Outlet Connection Type No Hub Specification Sheet - FD-100-A
For traps with repaceable seats
brass adapter
Watts 757NDCDA-BFG-CFM 3 - Part of the 757DCDA Series Egress System ZB415G-4NLThis 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