The California Air Tools EZ2321ADS Automatic Drain Valve Short Extension Kit (110v 60 hz) has been designed to eliminate manually draining water and condensate from air compressor air tanks. Easily Installable. All adapters and connectors are included in kit. 


Ideal for extending the Auto Drain away from the bottom side of the tank, providing easier access and clearance with respect to floor surface. The EZ2321ADS Kit supports the following 1 hp California Air Tools compressor models: 



The Automatic Drain Valve can be manually programmed to automatically drain the air compressor air tank to a set time and interval desired. Forge brass drain valve is durable and built for industrial use.

Automatically draining the air compressor air tank offers many benefits.


1.  No time required to drain the air tank.

2.  Automatically removes the water from the air tank when desired.

3.  Removes condensate water from the tank for better air compression in the air tank

4.  Helps prevent steel air tanks from rusting.

5.  Prolongs the life of the air tank.

6.  Prevents water from traveling to the air compressor pump/motor.

7.  Helps remove moisture from entering the air line.

8.  Prevents water damage and wear of air tools.


  • Timer Manual TEST switch
  • Valve Body- Forged brass
  • Bright lights for clearer indication of operating status.
  • In/Out Ports - 1/4" NPT Female
  • For use with 110 volt 60 hz electrical outlets
  • Product: 3.5" (D) x 4.5" (H) x 1.5" (W)   - 1.5 lbs
  • Max. Working Pressure - 230 PSI
  • 1 Year Limited Warranty

EZ2321ADS Kit Includes:

  • EZ-2321-PC Auto Drain
  • 91387 ¼” NPT Elbow Fitting
  • 90394 Female Quick Connect
  • 41007 Male to Male Connector Tube
  • 283531 Male ¼” elbow connector x 8mm (w/blue grommet)
  • 180421-10  8mm10FT Tubing

This item is available from:

     Home Depot (CLICK HERE)

     California Air Tools Store (CLICK HERE)

     Amazon (CLICK HERE)

EZ2321ADS_Automatic Drain Valve Short Ex[...]
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EZ-1 Automatic Drain Valve Owners Manual[...]
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