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This video explains what temperature rise is and how to measure it. It also covers some important things techs should know and do before taking a temperature rise test, some common causes of a high temp rise such as undersized or lack of returns, undersized ducts, dirty filters, & dirty secondary heat exchanger.

This video walks you through putting the Amana or Goodman, A or GMVM97 Modulating Furnace into high fire mode to test the gas pressure with the push button underneath the 7-segment LED Display. If your not interested in setting up the furnace with the CoolCloud App or can't connect with the furnace, this video is for you.

This tip is for those who would like to Avoid the frustration of using tape, control screwdrivers, Allegator Clips, etc to hold a door switch closed while performing electrical testing in the Blower Compartment.