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You are spot on in your reasoning. That's why we highly recommend using the damper on the fan units to choke down on the draft airflow and force the fan to do the heavy lifting. Strong winds blowing across the top damper create what's called "vacuum drag." It actually pulls more air through the damper than would naturally draft by itself, throwing off your dome temperatures (in the wrong/high direction!) Once the grill temperature is above your setpoint, the controller is pretty much useless at that point, as they can't lower the temperature; only increase it or maintain it.

It's not recommended. It's called botulism!

Basher and Troble, you two are killing it. 👍👍

Both of you nailed it. I'd eat all of that!