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Posted by Bill on September 05, 2008 at 10:15:56:
Ok, I'm taking out the 1964 Am. Standard boiler, which had a regular expansion tank. I have a Fill Trol Diaphragm to install. Do I run my cold water supply line through it? And it's attached to inlet for the boiler and the circulator is installed above it? ( My old system had the cold water supply in the outlet side of the system)