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Brian HernandezJul 30, 2025
Why does my Whitfield Stove have a lazy orange flame and excessive soot?
- MMartha WestJul 30, 2025
A lazy orange flame and excessive soot in your Whitfield Stove are often due to insufficient combustion air. This can be caused by a lack of maintenance. Try cleaning the Ultragrate, clean-out ports, exhaust flow passages, venting system, and exhaust blower intake. Remove any clinkers or ash from the bottom of the Ultragrate that might be obstructing the primary air holes. Check that the heat exchange tubes are not coated with ash. Clean internal exhaust ducts. Also, inspect the door and ashpan gaskets, air inlet tube, and exhaust pipe for blockages or damage. The fuel trim may need adjustment, or a better grade of fuel may be necessary. Ensure the damper is open enough for the fuel amount. If problems persist, have your authorized Lennox Hearth Products dealer check your exhaust blower.
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