Watts 9DM3 (W/PRESS) 1/2 - Part of the 9D Series ZA100F-3NH 8″ diameter with 6″ sump

8″ diameter with 6″ sump depth

CEF inlet and CEF outlet connections

Product Codes: Z539-3NH

This 1 1/2 and 2 IN 007M1 second check repair kit provides all the parts necessary to replace the major internal components of the applicable double check valve assembly

and versatility

Watts 9DM3 (W/PRESS) 1/2 - Part of the 9D Series ZA100F-3NH 8″ diameter with 6″ sumpThis 1 2 inch dual check valve backflow preventer with atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply. This valve is designed for continuous pressure non health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines. It consists of a bronze body with stainless steel internal