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Posted by HeatPro on November 29, 2005 at 12:32:32:
Oil nozzle pressure ____
Pump suction pressure _____
draft over the fire _____
draft in the fire chamber ____
No smoke setting ____
CO2 percentage ____
room temperature _____
Stack temperature _____
Combustion efficiency _____
Then he will have a starting point to know, after all parts are clean and set to factory specs, if a control is failing or not.