Watts LFLL40XL 3 150 210 FS 1 Part of the LFLL40XL Series ZC100F 8NH Provides debris protection for compatible Provides debris protection for compatible roof drain systems 20 Gasket Maximum Temperature 180 Degree F Inlet Connection Size 2 IN Inlet Connection Size Metric 50 MM Inlet Connection Type Female Threaded Inlet Material Malleable Iron Inlet Thread Type NPT Insulator Material Polysulfone Lead Free YES Maximum Working Pressure PSI 250 Maximum Working Temperature Fahrenheit 180 Nut Material Malleable Iron Outlet Connection Size 2 IN Outlet Connection Type Female Threaded Outlet Material Malleable Iron Outlet Thread Type NPT Part Number 0821935 Series LF3004 Type Kit Specification Sheet LF3004 Requires purchase of activation kit to activate sensor pressure relief setpoint of 150 psi