Some time ago I posted a question on how to clean a combi heat exchanger. I resolved the issue with remarkable ease using powered citric acid at 20% solution in water at 85 c. Cleaned it in about 40 minutes. I was so impressed that I removed and cleaned all my right angle compression joints!!!
Cleaning a combi heat exchanger
May 20, 2006
1 Replies
In message , Keith D writes
I'm pleased to hear this as I need to descale the hot water heat exchanger in mine, how did you circulate the solution? How could you tell when it was done?
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