Individuals can identify and describe the typical sequence of operation for various gas heaters, common problems with system airflow, various types of infrared gas heaters and the use of microprocessor controls for heat pumps. They understand the operation of ignition devices and flame sensors and how to conduct a combustion analysis and interpret basic results. They can isolate and solve malfunctions in a gas heating system and complete a combustion analysis on a gas furnace or boiler.

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