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15 Fan Damper
With a fan-controlled firebox, you need to be able to adjust the amount of
air being blown into the firebox. In addition, natural draft may affect cooking
temperature when the fan is off. While arriving at final settings requires testing
and experimentation, as a general rule it is good to start with the slide damper
fully open on offset and large cabinet pits, halfway open on medium-size vertical
or cabinet pits, and one-third to half open on kettles, bullet, and ceramic pits. This
should support cooking from 225° F to 275°F.
The top damper functions differently with a fan-controlled system than with a
natural-draft system. Where the fan damper controls the amount of air flowing into
the pit, the top damper influences the amount of air flowing out. We recommend
keeping the top damper open as little as possible in order to retain heat and smoke
in the cooking chamber, consistent with reaching the desired cooking temperature.
Close the damper completely to extinguish the fire after cooking or remove the fan
and insert the silicone kill plug into the adaptor.
Your fan may look differently than pictured. The effect of the damper opening and closing remains the same.
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