Why would a sprinkler Air Valve leak after winterization? - Home Improvement Stack Exchange(02)

Why would a sprinkler Air Valve leak after winterization? - Home Improvement Stack Exchange(02)

Image gallery: Leaky Irrigation Valve

HOW TO: Fixing A Leaking Sprinkler Valve - YouTube Fixing up leaking sprinkler valve - YouTube Why would a sprinkler Air Valve leak after winterization? - Home Improvement Stack Exchange