Watts 757-NRS 4 - Part of the 757 Series ZC100F-4NH UPC - 098268575231

UPC - 098268575231

super sensitive regulation in systems using water or No

it combines structural strength

UPC - 098268067262

The estimated lifespan is 6-10 years

Watts 757-NRS 4 - Part of the 757 Series ZC100F-4NH UPC - 098268575231This 4 inch stainless steel double check valve backflow preventer assembly is designed to prevent the reverse flow of objectionable but not toxic water 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. It is ideal for protection at cross connections identified as non health hazards and from other contaminants found at the