Watts LF800M4FR 1 1/2 - Part of the LF800M4FR Series American Wick Drain and union gasket

and union gasket

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

UPC - 098268568561

preventing sediment from entering local waterways and escaping the jobsite perimeter

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

Watts LF800M4FR 1 1/2 - Part of the LF800M4FR Series American Wick Drain and union gasketThis 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