Watts LFF115 300 B 20-175 PI 4 - Part of the LFF115 Series Z100F-6NH This second check valve kit

This second check valve kit is used to repair or replace the second check on a 3 inch lead free double check detector assembly and used to prevent the reverse flow of polluted water from entering into the potable water supply

This 3 inch full lug style butterfly valve is used in HVAC

NPT threaded union inlet with strainer by NPT female threaded outlet connections

ZRB121-3NH

Built around a uniform-diameter integral trap

Watts LFF115 300 B 20-175 PI 4 - Part of the LFF115 Series Z100F-6NH This second check valve kitThis 4 inch ACV is armed with ArmorTek, a patented 3 part advanced epoxy coating system designed to limit both microbial induced (MIC) and exposed metal substrate corrosion. This pressure reducing control valve is designed to automatically reduce a fluctuating higher inlet pressure to a constant lower downstream pressure regardless of varying flow rates. The quick closing action of the valve limits possible damaging high inlet pressure from passing