Watts 800M4QT 1/2 - Part of the 800M4QT Series Pipe Connection Fitting 6" Wide Grates/Covers

6" Wide Grates/Covers

ZB400B-2IG

engineered to handle elevated water volumes and demanding surface conditions

CSA approved

Durable MEMS-based pressure sensors are capable of over 400 psi

Watts 800M4QT 1/2 - Part of the 800M4QT Series Pipe Connection Fitting 6" Wide Grates/CoversThis 1 2 inch anti siphon pressure vacuum breaker backflow preventer helps prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O ring seal, a lightweight plastic disc float, tee handle shutoff, and test cocks for winterization draining. It is