Watts 800M4FR 1/2 - Part of the 800M4FR Series SITEDRAIN ZN415S-DP-3NL

ZN415S-DP-3NL

UPC - 098268432855

UPC - 098268434231

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and two durable

Watts 800M4FR 1/2 - Part of the 800M4FR Series SITEDRAIN ZN415S-DP-3NLThis 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