Watts 757-NRS-GXG 4 - Part of the 757 Series ZC100F-2NH LF340 (French)

LF340 (French)

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 3/4 IN Outlet Connection Type Female Threaded Outlet Shutoff Valve Type Quarter Turn Ball Valve Outlet Thread Type NPT Part Number 88004058 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Engineered Plastic Series 009 Strainer No Technologies Flood Detection Tradename None Field Guide - Backflow Preventer Repair Parts 007 and 009

3/4 press connections

This boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment

and easy to clean lining to your walls

Watts 757-NRS-GXG 4 - Part of the 757 Series ZC100F-2NH LF340 (French)This 4 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 line