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Gas Furnace Sequence of Operation w/ Justin Skinner
In this episode, Bryan talks to Justin Skinner about the standard gas furnace sequence of operation.
Regardless of the furnace type, it all begins with a heat call on W...
Then, the furnace checks the safeties to make sure ignition is possible and safe. If all systems are a go, the inducer motor comes on and clears a path for the exhaust. The furnace then proves that the path for the flue is clear, and a pressure switch closes upon sensing a pressure differential. The miracle of ignition comes next. There are a few different types of ignition, including hot-surface, intermittent spark, and…
The skinny
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