Watts LFN45BM1-U-070 3/4 - Part of the LFN45B Series Z100F-6NH This first or second check

This first or second check repair kit provides all the parts necessary to repair or replace first or second check on 3/4 inch double check valve assembly backflow preventer

Ideal for super-large-area primary roof drainage applications

Integrated 4″ ABS perforated standpipe for subsurface water interception

while the flashing clamp and integral gravel stop help ensure a watertight connection to the roofing membrane

Watts LFN45BM1-U-070 3/4 - Part of the LFN45B Series Z100F-6NH This first or second checkThis 3 4 inch lead free water pressure reducing valve is designed to reduce incoming water pressure to protect plumbing systems and reduce water consumption for commercial, industrial and residential applications. This assembly consists of a lead free bronze body, NPT threaded union inlet and NPT female outlet connection, stainless steel integral strainer, thermoplastic seat module, thermal expansion bypass and a sealed spring cage for waterworks pit