Watts 757DCDA-BFG-CFM 6 - Part of the 757DCDA Series Inserta Tee Grooved inlet gate connection and

Grooved inlet gate connection and grooved outlet gate connection

upper stem O-ring

Product Codes: Z540-2NH

757DCDA Compatible Size Used On 8 IN Kit Contents First Check Module

threaded female end connections and stainless steel diaphragm

Watts 757DCDA-BFG-CFM 6 - Part of the 757DCDA Series Inserta Tee Grooved inlet gate connection andThis 6 IN 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 designs. It is