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Posted by pete on October 09, 2006 at 10:15:18:
RE my earlier posts:Boiler...shake - Pete 09:12:23 9/15/2006 (9)
This seemed to help (about 95% reduction in shake) at about 18 PSI (cold pressure - when heating it gets to 20 PSI). I am a little nervous (not very handy) about messing with fill switch so could I leave it at set at 12? I have the valve in the water line leading to the fill switch turned off (since I read posts in here saying to do so and that it is not a good plan to leave it open)so it really wont need filling? Also what about the expansion tank is than an issue now since it was pre-charged at 12?