Heating Maintenance Checks That Find Problems With Combustion Gases in Your Gas Furnace
When the heating maintenance technician makes an annual service call, they clean, service, and check your gas furnace to protect both the equipment and your family. Two important things your technician may check are the combustion gasses and flue draft. The results of these tests let the technician know if your furnace needs repairs. Here's how these tests are done. 1. Draft Check The draft check is done using a gauge that measures pressure.