Watts 709DCDA-OSY 6 3/4GPM - Part of the 709DCDA Series ZC100F-8NH Epoxy-coated steel body for durability

Epoxy-coated steel body for durability and long-term performance

and check cages for both first and second checks

It has a lead free brass body construction

ZB415BL-3IP

ZB415H-2IC

Watts 709DCDA-OSY 6 3/4GPM - Part of the 709DCDA Series ZC100F-8NH Epoxy-coated steel body for durabilityThis 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 3 4 IN bypass with a gallons per minute metered bypass to detect ground leaks and unauthorized illegal taps, greatly reducing annual water expenses. It consists of a fused epoxy coated cast iron body and outside stem and yoke shutoffs. Its