Watts 709DCDA-OSY-GPM 6 - Part of the 709DCDA Series ZA100F-3NH it will form a protective

it will form a protective iron-oxide patina

Features Designed for in-line maintenance

ZB415K-2IG

This product is available in a variety of depths and in 60-100 mil thickness options

Watts 709DCDA-OSY-GPM 6 - Part of the 709DCDA Series ZA100F-3NH it will form a protectiveThis 6 inch 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 with outside stem and yoke shutoffs. Its modular check design