jpaul
New Member
Heat running, pressure builds to 20lbs, blows off some water until it builds back up to 20lbs and blows off some water again. Bell & Gosset expansion tank (2 years old), 11-12 year old boiler w/coil. Boiler temp was increasing from 175, 180, 185, 190, 195. Pressure never went beyond 20lbs and blew off some water every time once it hit 20lbs. I checked 15 minutes after I turned heat off and boiler not running. Boiler temp 205, 12lbs pressure. Settings at 140 & 180 degrees. Thanks for looking...Suggestions?