Watts 800M4QT-SH 2 - Part of the 800M4QT Series inlet-protection-finder This complete valve rubber parts

This complete valve rubber parts kit provides all the parts necessary to repair or replace the rubber parts on a 1 inch double check valve assembly backflow preventer

Provides continuous monitoring

Integral lead free brass seat

2 1/2 inch Watts Model 77S

The fitting passes under the foundation without joints and extends up through the floor

Watts 800M4QT-SH 2 - Part of the 800M4QT Series inlet-protection-finder This complete valve rubber partsThis 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, lever handle shutoff, and test cocks for winterization draining. It is