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Posted by tk03 on February 26, 2010 at 11:21:12:
In Reply to: Boiler overheated due to improper pump installation posted by Brandon on February 26, 2010 at 08:52:50:
Most cast iron boilers today will do the same thing with flow reversed through the boiler. I really do not believe it will cause boiler damage. How long did it operate like this?