1, High quality brass safety valve with/without nickel plating. 2, 100% leakage test 3, ISO & CE ... valve0.5-3 BarThread size1/2” BSP; 3/4’’ BSPDrain lever AvailableRemarks:1, Our water heater safety valves are available in ... of valve core is the preference? Brass/Plastic(3) Drain lever/Handle is available, but won’t be installed if you don ...