Automatic Drain Valve

The Expello Air Products Automatic Drain Valve eliminates moisture in compressed air systems. The valve replaces the manual drain petcock on any air tank within a vehicle’s compressed air system, whether the tank is on a vehicle or trailer. The Expello valve purges water, dirt and oil from the air system in a quick, one-second burst, every five minutes of vehicle on time. That means clean, dry air and an end to frozen air brakes. The 15-watt thermostatically controlled heater ensures year-round air system protection.

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