Watts 757 DNRS 4 Part of the 757 Series ZA100F 3NH 17 bar ArmorTek Technology Yes 17 bar ArmorTek Technology Yes Body Material Ductile Iron Brand Watts Coating Epoxy Coated Using ArmorTek Technology EAN 098268613469 Inlet Connection Size 1 1 4 IN Inlet Connection Type Female Threaded Lead Free YES Maximum Operating Temperature Fahrenheit 160 Maximum Working Pressure PSI 400 Outlet Connection Size 1 1 4 IN Outlet Connection Type Female Threaded Part Number 1GE00149 Pilot Control System Fitting Material Brass Pilot Control System Tubing Material Copper Series LFM115 Trim Material 316 Stainless Steel Valve Style Mustang Warranty Name Watts Warranty ACV ArmorTek Submittal Package Automatic Control Valve LFM115 4 Body Material Lead Free Copper Silicon Alloy Brand Watts Buy American Act Compliant YES Corrosion Resistant Coating No Disc Material EPDM EAN 098268331226 Gauge Option No Gauge High Pressure Reduced Pressure Range Does Not Apply To Product High Pressure Reduced Pressure Setting Does Not Apply To Product Inlet Connection Size 1 1 4 IN Inlet Connection Type Union Joint Inlet Thread Type NPT Lead Free YES Maximum Operating Temperature Fahrenheit 180 Maximum Working Pressure BAR 20 tri link check valves This compact modular design with a single access sleeve for easy maintenance is approved for horizontal or vertical installation in accordance with the direction of the flow arrow on the assembly