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Perhaps, even likely, that’s the case but the results are not going to be the same. If the smokestack cover on a pellet grill is adjusted down to restrict the flow, the blower fan is just going to push the smoke out somewhere else. The grease bucket drain is the most common place followed by around the door, not good. Additionally, I would expect it‘s possible that closing the stack down could change how the food cooks as the air inside the grill is not allowed to circulate as designed.Maybe some guys are using this same concept with their Bull
I used to close the smokestack cover after every cook but once I forgot to open it before starting the grill. luckily I monitor the grill closely during startup and noticed smoke coming from the pellet bin. The pellets had begun to ignite back through the screw into the bin. I shut off the grill but smoke continued to come from the pellet bin. A quick evacuation of the pellet bin I found burning pellets in the screw drive. We cleaned the screw mechanism with a shop vac and no damage to the grill. I suggest leaving the smokestack cover in an open position and the grill lid open during startup. The grill is designed to use full airflow from the fan. Any restriction to the airflow can cause a back flow burn into the screw mechanism.Perhaps, even likely, that’s the case but the results are not going to be the same. If the smokestack cover on a pellet grill is adjusted down to restrict the flow, the blower fan is just going to push the smoke out somewhere else. The grease bucket drain is the most common place followed by around the door, not good. Additionally, I would expect it‘s possible that closing the stack down could change how the food cooks as the air inside the grill is not allowed to circulate as designed.
AgreeIt just makes good sense to not restrict air flow on something with forced draft and a flame
I just treat mine like a damper on a regular smoker. More closed on low high smoke (or if I'm using the optional smokebox) open on high heat. I also used woodstove gasket around the lid and have virtually no leaks anywhere other than the stack and grease drain.the exhaust on my 700 came opened all the way open. Do y’all leave it open all the way are close it ? Some video I watch guys have it closed some open all the way.