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Posted by JOE on December 31, 2005 at 13:43:38:
Hi Heatpro, I have a elton diaphragm expansion tank with a 5gal. capacity. How do I tell it is working ok? If it goes bad will the boiler act differently? And there is a little unit on top of the line right above expansion that look like some kind of a pressure release. It has a little thumb wheel on it you can turn and it is loose, what is that for? And I have a hot water holding tank the boiler water runs thru to heat up the hot water for the house. How would the boiler react if there was somekind of a internal leak in the holding tank?
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