Watts 957ZRPDA OSY CFM FS 2 1 2 Part of the 957RPDA Series ZC100F 4NH This 4 inch ductile iron This 4 inch ductile iron valve setter with mechanical joint by mechanical joint connections is designed to augment the installation of the N shape 957N BFG and 957N RPDA BFG backflow preventer assemblies only 8 BAR ArmorTek Technology Yes Brand Watts Coating Epoxy Coated Using ArmorTek Technology EAN 098268639261 Inlet Connection Size 1 1 2 IN Inlet Connection Type Flanged Joint Lead Free YES Maximum Operating Temperature Fahrenheit 160 Maximum Working Pressure PSI 250 Outlet Connection Size 1 1 2 IN Outlet Connection Type Flanged Joint Part Number 2GK00040 Series LFF116 Valve Style Classic Warranty Name Watts Warranty ACV ArmorTek Schematic Automatic Control Valve LFF116 and comes furnished with a cubic foot per minute meter to detect underground leaks and unauthorized water use 06 Maximum Working Pressure PSI 175 Meter Type CFM Minimum Temperature Celsius 0