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 230 V, Max. Pressure 725 psi, Operating Temp. Range 40 Degrees to 176 Degrees...