Watts WB N4 LH Part of the WB Series roof hatch finder Specifications Body Material Bronze Brand Specifications Body Material Bronze Brand Watts Buy American Act Compliant NO EAN 098268090925 Flow Specifications 40 GPM at 50 PSI to 60 GPM at 100 PSI Inlet Pressure PSI 50 Lead Free Not In Scope Maximum Pressure PSI 165 Maximum Temperature Fahrenheit 180 Outlet Connection Size 3 4 IN Outlet Connection Type Male Threaded Outlet Thread Type NPT Part Number 0780009 Series 750 Specification Sheet 375 This provides an estimated lifespan of 6 10 years that are subjected to freezing conditions providing access through lockable doors and or a hinged lid for testing and certification purposes