The 4" 475DAVBG Reduced Pressure Detector Backflow Assembly, with grooved end butterfly valves and integral supervisory switches, is utilized in high health hazard, fire protection applications for protection against both backsiphonage and backpressure of contaminated water into the potable water supply. The 475DAV is shaped in the z-Pattern and installed vertically in a flow up orientation. It includes a small footprint for quick and easy fire protection retrofit applications, as well as a metered bypass system to detect leaks and any unauthorized water use, saving you valuable time and money on repairs and maintenance costs.
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PLEASE NOTE: Brooks Equipment only sells products to Fire/Life Safety Equipment and Service Companies. We do not offer products for direct purchase to private commercial or individual users.
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