DV2 Type Automatic Drain Valve Non Heated Freightliner,Pete,Kenworth All Makes - UATPARTS
Automatic Drain Valve,G1/2 DN15 Automatic Electronic Timed Drain Valve for Air Compressor Condensate Management (AC230V) - - Amazon.com
Toma G1/2 Thread Automatic Drain Valve Electronic Drain Valve Air Compressor Management Valve Air Tank Drain Valve for Home Air Compressor - Walmart.com