Watts 1/2 TBD1156F - Part of the BD1156F Series ZC100F-8NH The Watts GRD-680 is a

The Watts GRD-680 is a green-roof planter drain designed to provide dependable primary drainage in large planter areas on vegetated roof systems

UPC - 098268332339

back-water valve

No-hub (MJ) standard outlet for compatibility with conventional piping

Watts 1/2 TBD1156F - Part of the BD1156F Series ZC100F-8NH The Watts GRD-680 is aThis 1 2 inch dial set high capacity feed water pressure regulator is for use in commercial and residential hydronic heating systems to fill the boiler and piping system with water, and to maintain water pressure in the system at all times. It also provides make up water to the system in the event of system leaks. It consists of an easy to read dial pressure setting indicator, bronze body with union threaded inlet and NPT threaded outlet connections,