Double Check Detector Assembly Model 350DA
Designed for installation on potable water connections in fire sprinkler systems to protect against both backsiphonage and backpressure of polluted water into the potable water supply. Model 350DA shall provide protection where a potential health hazard does not exist. Incorporates metered by-pass to detect leaks and unauthorized water use. Model 350DA 2 1/2" is supplied with 2" companion flanges.