Watts 6 957-NRS-IOT - Part of the 957 Series ZA100F-4NH This 1 inch freeze resistant

This 1 inch freeze resistant pressure vacuum breaker backflow preventer helps prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage

Works with the Deep Profile 12 in

rubber bonnet gasket and stem O-rings

The fabric roll is permeable and allows water

LFB6080 G2 UPC - 098268008593

Watts 6 957-NRS-IOT - Part of the 957 Series ZA100F-4NH This 1 inch freeze resistantThis 6 inch stainless steel reduced pressure zone assembly backflow preventer with SentryPlus Alert technology with automatic shutoff ACV for flood detection and prevention is designed to prevent the reverse flow of contaminated 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, as well as provide continuous monitoring