Watts LFF116 300 B 20 200 TC 6 Part of the LFF116 Series ZC100F 2NH High Flow Grate & ServiceabilityDesigned with High Flow Grate & ServiceabilityDesigned with a grate or strainer that ensures strong flow 2 Body Material Lead Free Cast Copper Silicon Alloy Brand Watts Buy American Act Compliant YES Corrosion Resistant Coating No Disc Material Elastomer EAN 098268860481 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 IN Inlet Connection Type Union Pex Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Operating Temperature Fahrenheit 180 Maximum Working Pressure BAR 27 It is normally closed and quickly opens when upstream pressure exceeds the pilot setting When the valve is installed on the discharge of a pump