Watts 757-NRS 3 - Part of the 757 Series Sheet Drain and wear over time

and wear over time

This package provides an economical solution for buying boiler components that make boiler piping simple and service to the system easy

Epoxy-coated cast iron body for long-term durability

effectively blocks sediment

Watts 757-NRS 3 - Part of the 757 Series Sheet Drain and wear over timeThis 3 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