Timed Electric Auto Drain Valve, Pipe Size 1/2 in NPT, Drain Size 1/4 in, Drain Rate 4 gpm, Adjustable Drain Cycle 0.5 min to 45 min, Purge Time 1 sec to 10 sec, Voltage 115 V, Max. Pressure 300 psi, Operating Temp. Range 35 Degrees to 165 Degrees F,...