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Popping and Banging in a Combi-Core
Plumdog_2
Member Posts: 873
A customer has a 73 gal, 76k btu Combi-Core heater used for domestic hot water with a radiant system thru the internal coil. It's about five- six years old, on a well with probably hard water, and it began popping during the heating cycle a few months ago and is getting louder with time. I have heard this same noise before, my own two 40's used to do it before I put in an indirect. A sudden draw (like the automatic washer) will trigger it more. I presume it's scale on the water side of the flueway? Any expert advice on a cure (if there is one) would be welcome!
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Comments
http://www.fieldcontrols.com/clearwave.php
ME
I'll talk them into it. Someone suggested bonding the hot and cold pipes within three feet of the heater; but there are dielectics.............Probably should be removed!