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Burderus 115 direct vent problems

Hop
Hop Member Posts: 5
in THE MAIN WALL
Got a 115 with a beckett nx on it and the throttle ring keeps sooting up, any ideas?

Comments

  • meplumber
    meplumber Member Posts: 678
    Go to combustion 101.

    Start with your electrode settings, then your combustion air. 



    By sooting up, is it oily with coke on it or is it heavy powdery soot.  There is a difference.  Oily coke is a sign of unburnt fuel or incomplete combustion.  In that case I would look at the electrodes or a fouled nozzle.  If it is heavy powder soot, then look at the combustion air.



    What did the your combustion test numbers look like?  What was the smoke?
  • Hop
    Hop Member Posts: 5
    Sooty throttle cup

    Just light coating of non oily soot on glass of throttle cup
  • Robert O'Brien
    Robert O'Brien Member Posts: 3,562
    How Long

    is post purge? No cross contamination?
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