gas burner problems in smoker

Discussion in 'Smoke Houses' started by nate85, Jun 5, 2016.

  1. nate85

    nate85 Fire Starter

    I recently put a gas burner with a solenoid valve running of my Pid  in my smokehouse. Everything works like it should except when I shut the door the last 3/4" to close I lose my flames. I have 2 - 2" intake vents for the burner. I take it I need more intake air for the burner?
     
  2. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member

    Maybe more exhaust....   
     
  3. nate85

    nate85 Fire Starter

    My box is roughly 32" wide by 20" deep. I have a 4" exhaust pipe directly in the middle of the roof, damper wide open or closed it still does it. Think I need to go bigger on the exhaust?
     
  4. nate85

    nate85 Fire Starter

    Oh and its 4 ft high
     
  5. daveomak

    daveomak Smoking Guru OTBS Member SMF Premier Member

    Bigger exhaust....   the heat is expanding the air in the smoker faster than it can escape...   That causes consumed air to be forced back down to where the burner is and choking off it's oxygen supply....   All of that is probably happening BEFORE the exhaust pipe can heat up and help with the draft....    Can you fairly easily install forced air floor registers in the top of the side walls ??    I'd try a couple of 4X12" on opposite sides near the top of the walls....  They can be adjusted to reduce air flow if needed...   I doubt you will want to adjust them down....
     

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