Watts 007DCDA-OSY-GPM 3" Double Check Valve Assembly

Watts 007DCDA 3 inch Double Check Detector Assemblies prevent the backflow of non-health hazard fire protection system substances from being pumped or siphoned into the potable water supply.

A gallon meter is attached to detect ground leaks and unauthorized illegal taps, greatly reducing annual water expenses. The unibody is compact epoxy coated cast iron with a modular check design.