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This rubber parts repair kit provides all the parts necessary to repair the first check on an 8 inch lead free reduced pressure zone assembly
The pressure relief is set at 45 psi (551
especially when dealing with mature trees is ideal as the joints are always the weakest point of any root barrier
giving excellent hydraulic capacity for water management
Watts 957NRPDA-OSY-GPM 3 - Part of the 957RPDA Series Inserta Tee This rubber parts repair kitThis 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.
