Timed Electric Auto Drain Valve, Pipe Size 1/2 in NPT Inlet x 3/8 in NPT Outlet, Drain Size 3/8 in, Drain Rate 4 gpm, Adjustable Drain Cycle 1 min to 60 min, Purge Time 1 sec to 30 sec, Voltage 115 V, Max. Pressure 250 psi, Operating Temp. Range 35...