- Joined
- 25 Feb 2005
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- 5
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My boiler is making occasional loud pops when it's running. It was kettling, but I put in X100 and X200 about a month ago and it stopped. Now it makes a pop like a car misfiring when it's warm , but not real often or regularly. I want to know if it's anything to worry about and what it is. Everything else in the system is OK.