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Susan ChambersAug 16, 2025
Why is there low heat or low flame on my Napoleon grill when the valve is on high?
- TTodd KingAug 16, 2025
The low heat or flame could be due to several reasons. If you are using propane, ensure you are following the correct lighting procedure, with all gas grill valves in the off position when you turn on the tank valve, and turn the tank on slowly to equalize pressure. Refer to the lighting instructions. If you are using natural gas, the supply line might be undersized and needs to be sized according to the installation code. For both gas types, ensure you preheat the grill with both main burners on high for 10 to 15 minutes.