Masterbuilt Propane Smoker vents

Discussion in 'Propane Smokers' started by wklkjn, Jul 25, 2016.

  1. wklkjn

    wklkjn Smoke Blower

    I've got another question.  (of course).

    My Masterbuilt, 2-door smoker has (2) round vents for incoming air - one on opposite sides down low.

    It also has the vent at the very top back of the unit.

    I've not yet figured out what I'm supposed to do as a general rule?

    I play with the vent openings, but quite frankly, I have no idea what I'm doing.

    Do I open the 2 bottom side vents all the way, all the time and keep the top exhaust vent almost closed?

  2. No, keep top vent open, at least 50% but 100% is better.  Smoke circulation is necessary to keep creosote from forming on your food.  Bottom vents provide oxygen to your burner and smoking wood, so they should be open as well.  Hope this helps.
  3. smokinal

    smokinal Smoking Guru Staff Member Moderator OTBS Member ★ Lifetime Premier ★

    I keep all the vents open 100% on my propane smoker.

    Control the temp with the burner control.

  4. hillbilly jim

    hillbilly jim Meat Mopper

    I've got the 44 inch propane model and had the same problem. The four slots that make up the exhaust vent equate to a hole diameter of 2, 1/2 inches. that's not nearly enough. 

    I installed a 6 inch double male stove pipe with a damper in it. I have more than enough draft now.

  5. kazoo

    kazoo Newbie


    Where did you purchase the 6 inch double male stove pipe with a damper?  I've looked practically everywhere on line for it.

  6. meatstick

    meatstick Fire Starter

    Kazoo, any luck finding the stove pipe with damper yet?
  7. jason stump

    jason stump Newbie

    I'm just speculating here, but I'm thinking he used these two parts to make the damper. (Searched the part number on his piece)

    Hope this helped if you didn't find one.

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