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Posted by John Kozaruk on October 19, 2006 at 21:49:43:
In Reply to: weil mclain percolating noise posted by Mark Damian on October 17, 2006 at 10:27:22:
: My weil mclain boiler has developed a percolating noise when running. The expansion tank appears to be ok. Anyone have any ideas? Thanks.
:The first thing that comes to mind is: has all air been vented thru out the entire system? The second item is what pressure is you expansion tank set to operate at.You may have to check with the manufactuer.Also is your system using alot of make-up due to lesks!!