Fixing a furnace pressure switch can be a complex task that requires knowledge of the heating system and electrical components. It is important to follow proper safety procedures and consult a professional if unsure about any steps in the troubleshooting process.
To begin, as a technician, you must understand the sequence of activities required for a gas furnace to start properly. It’s pretty simple, and you should know it by heart before you consider yourself prepared to troubleshoot.
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