To check a heat exchanger in a gas pack, visually inspect it if the unit is over 10 years old, and use a lighter to check the flame while the unit is running. It's important to ensure flames are appropriately colored and check flame operation only when the unit is on to diagnose issues. Regular inspections help maintain safety and efficiency. ;
To check the heat exchanger in a gas pack, visually inspect it if over 10 years old and use a lighter to check the flame while the unit is running. If the unit is under 10 years, checking the flame while the fan is on can help diagnose issues. Regular inspections are crucial for safe and efficient operation.
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