In our second episode of Technically Speaking, Ed Brink (Meier Supply's Technical Support & Training Division Manager,) gives us a brief overview of a systematic approach to flame rectification.
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One of the more common problems that the technicians encounter during the heating season is a lack of flame sensing. Flame rectification has become the primary means of flame sensing in virtually all new residential and commercial gas fired HVAC equipment. The job of the flame sensing rod is to tell the controller that the main gas burners have ignited. If no flame is present after a certain amount of time, the controller will shut off the gas to the burners.
