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Should You Own a Combustion Analyzer?

In Articles by Ray WohlfarthLeave a Comment

If you service boilers, a combustion analyzer is almost a must-have tool. Some techs tell me they can eyeball the flame and adjust the air-to-fuel ratio. Even after four decades in the trade, I have never been able to do that. What looks like a good flame could be spewing thousands of parts per million of dangerous… Read More