Watts 800M4FR 1/2 - Part of the 800M4FR Series Strata Systems Prevent leaves and debris from

Prevent leaves and debris from being swept into the drain system with a trench drain grate

Maximum pressure is 150 psi (10

Rated for heavy commercial loads (HD) and compatible with multiple outlet and strainer variations

Features Industry standard

and subterranean facilities where dependable

Watts 800M4FR 1/2 - Part of the 800M4FR Series Strata Systems Prevent leaves and debris fromThis 1 2 inch bronze freeze resistant 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 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, a built in relief valve to protect the internal components and the body from