Watts LFF116 300 B 20 200 PI 3 Part of the LFF116 Series American Wick Drain 2 Body Material Lead Free 2 Body Material Lead Free Cast Copper Silicon Alloy Brand Watts Corrosion Resistant Coating No Disc Material Elastomer EAN 098268352658 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 3 4 IN Inlet Connection Type Union Press Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Operating Temperature Fahrenheit 180 Maximum Working Pressure BAR 27 Schematic Automatic Control Valve LFF115 (Spanish) and throttle toward closed when upstream pressure falls below the adjustable setpoint it serves as a pressure relief control valve