Watts 709DCDA-OSY-CFM 8 3/4 - Part of the 709DCDA Series ZC100F-3NH This kit consist of a

This kit consist of a disc and a cover O-ring

UPC - 098268913583

this unit has a 10 inch cast iron pipe size (CIPS) coupler for easy connection to the underground supply (AWWA C900 PVC) and 10 inch ductile iron pipe industry standard grooved-end connection (AWWA C606) on the building side for easy connection to the overhead fire sprinkler system

UPC - 098268613582

Specifications Buy American Act Compliant NO Kit Type Second Check Rubber Parts Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268414257

Watts 709DCDA-OSY-CFM 8 3/4 - Part of the 709DCDA Series ZC100F-3NH This kit consist of aThis 8 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 cubic feet meter 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 modular check design