Watts 957NRPDA-OSY-GPM 3 - Part of the 957RPDA Series ZC100F-2NH Corrosion-resistant material engineered for durability

Corrosion-resistant material engineered for durability in outdoor environments

1 inch female meter thread (swivel) inlet by 1 inch union female NPT thread outlet

ZM415SH-3NH

ZB415S-2IP

Available in galvanized and stainless steel options

Watts 957NRPDA-OSY-GPM 3 - Part of the 957RPDA Series ZC100F-2NH Corrosion-resistant material engineered for durabilityThis 3 inch reduced pressure detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and 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. Extremely compact and lighter than traditional designs it is approved for horizontal N pattern installation.