Timed Electric Auto Drain Valve, Pipe Size 1/2 in NPT, Drain Size 1/4 in, Drain Rate 0.75 gpm, Adjustable Drain Cycle 0.5 sec to 45 min, Purge Time 0.5 sec to 10 sec, Voltage 115 V, Max. Pressure 725 psi, Operating Temp. Range 14 Degrees to 140 Degrees...