Watts 757N-BFG 2 1/2 - Part of the 757 Series HDPE This backflow upgrade kit is

This backflow upgrade kit is ideal solution to upgrade new or existing RPZ type backflow preventers to include SentryPlus Alert® detection and wireless alert technology

Stainless steel shaft

used to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure

and alternative body materials (PVC/ABS)

Automatic reseating

Watts 757N-BFG 2 1/2 - Part of the 757 Series HDPE This backflow upgrade kit isThis 2 1 2 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of water of non potable quality 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 service