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Posted by Keith on June 28, 2009 at 15:44:58:
In Reply to: inverted O2 and CO2 readings posted by Paul on March 15, 2009 at 08:17:39:
Yes those 02 levels are very high. You should lower then to in the 5-7% range if the boiler will run well at that level. That will help bring your CO levels close to 0 also.
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