Posted by Roger on October 05, 2001 at 07:38:00:
I've notice this heating season that my boiler psi is running around 30-35 and bleeding off excess pressure constanlty. I've drained the expansion tank and re-filled. This brings it back down to around 18-22 psi which is wher eit used to run at. Problem is that it gos back up after a day or so. Do I need a new expanion tank? Why is the pressure running so high?
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