Watts 709DCDA-LF-GPM 3 - Part of the 709DCDA Series Drain Fitting This kit consists of 2

This kit consists of 2 check seat O-rings

with an atmospheric vent located between the them

UPC - 098268329100

ZN456-2NH-6B

Watts 709DCDA-LF-GPM 3 - Part of the 709DCDA Series Drain Fitting This kit consists of 2This 3 IN double check detector backflow preventer assembly prevents backflow of non health hazard fire protection system substances from being pumped or siphoned into the potable water supply. It incorporates a gallons per minute meter to detect ground leaks and unauthorized illegal taps, greatly reducing annual water expenses. It consists of a fused epoxy coated cast iron body construction. Its modular check design facilitate simple and easy