Watts 007M2-LF 1 1/2 - Part of the 007 Series roof-hatch-finder inside caulk

inside caulk

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 1 IN Outlet Connection Type Union Female Threaded Outlet Thread Type NPT Part Number 0125309 Series LFN45B-EZ Standard Reduced Pressure Setting-BAR 3

1/2 inch female outlet

UPC - 098268010244

then keep the top lifting straps out of the way while you place the grate into the drop inlet protection filter making sure to keep the grate below the top straps and above the bottom straps

Watts 007M2-LF 1 1/2 - Part of the 007 Series roof-hatch-finder inside caulkThis 1 1 2 inch double check valve backflow preventer assembly is designed to 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. Its compact modular design facilitates easy maintenance with a single access cover for in line repairs. It is ideal for protection in continuous pressure piping applications