Timed Electric Auto Drain Valve, Pipe Size 1/2 in NPT, Drain Size 1/2 in, Drain Rate 38 gpm, Adjustable Drain Cycle 0.5 min to 99 hr, Purge Time 0.5 sec to 10 sec, Voltage 115 V, Max. Pressure 250 psi, Operating Temp. Range 14 Degrees to 140 Degrees F,...