Watts LF800M4FR 1 1/2 - Part of the LF800M4FR Series American Wick Drain This 3/4 inch double check

This 3/4 inch double check valve assembly backflow preventer helps prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements

Z551-4IP-TS

This 2 IN 719 total repair kit provides all the parts necessary to replace the major internal components of the applicable double check valve assembly

and union gasket

UPC - 098268245028

Watts LF800M4FR 1 1/2 - Part of the LF800M4FR Series American Wick Drain This 3/4 inch double checkThis 1 1 2 inch lead free anti siphon pressure vacuum breaker backflow preventer prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of a lead free 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