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ZN415S-DP-4NH
00 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 1 1/4 IN Outlet Connection Type Female Threaded Outlet Thread Type NPT Part Number 0856762 Series 2000-M5 Specification Sheet - 2000-M5
2-inches high
4 inch Watts Model 77F-DI-250
Watts 774-OSY 12 - Part of the 774 Series ZA100F-8NH ZN415S-DP-4NHThis 12 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated 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 hazard applications and from other contaminants