AC110V 1/2" Automatic Electronic Timed Air Compressor Auto Drain ValveFeature: 1: This is a reliable, high quality condensate drain valve to keep compressed air treatment equipment running optimally. 2: Timed electric drain valve can be programmed to discharge condensate at timed interval to match conditions. 3: Valve open time is adjustable from 0. 5 to 10 seconds, and close time is from 0. 5 to 45 minutes. 4: It operate automatically and waste less compressed air when discharging condensate. 5: G1 2 thread automatic