Watts LF957RPDA-OSY-LM 6 - Part of the LF957RPDA Series mainline-adatile 2 1/2 inch watts model

2 1/2 inch watts model 77S

Stormwater must pass through the permeable bag which filters out and traps silt and debris

Brass holder nut

ZN150F-2NL

Heel-proof grate rated for heavy commercial loading

Watts LF957RPDA-OSY-LM 6 - Part of the LF957RPDA Series mainline-adatile 2 1/2 inch watts modelThis 6 inch reduced pressure detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Extremely compact and lighter than traditional designs it is approved for horizontal installation. It is