Boiler Drain Valve Pipe Size - Valves 1/2 in Connection Type MNPT x MGHT Body Material - Valves Celcon(R) Handle Material Celcon(R) Valve Max Fluid Temp 180 Degrees F Open Length 4 3/8 in Max Pressure 150 psi Standards Hose Thread ANSI B1.20.7 Pipe Thread ANSI B1.20.1