Triangle Tube Solo 110 venturi horn noise on start up

Discussion in 'Boiler Forum' started by boulderbri, Dec 6, 2014.

  1. boulderbri

    boulderbri New Member

    Joined:
    Feb 17, 2013
    Location:
    Granby, CO
    Hi everyone. I have a Triangle Tube Solo 110. It is about 5 years old. When it starts up, I hear a horn-like noise for about 15 seconds, then it stops when it ignites. I pulled the PVC off and the noise pitch changes and if I put a few fingers over the venturi, it muffles the noise. The fan appears to be spinning fine and it spins with no horn noise. Before and after the noise, I can still feel air being pulled in.

    Any ideas? I've come across some posts where people have had a cracked venturi. Or a dirty venturi? Could that do it?

    TIA!
     
  2. Gebavi

    Gebavi New Member

    Joined:
    Dec 3, 2016
    Location:
    Colorado
    Hello boulderbri - I installed the same system in my in Crested Butte and am having the same problem. In my system it sounds like a foghorn. Did you every resolve this issue?
     
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  4. Leon82

    Leon82 Member

    Joined:
    Mar 13, 2014
    Location:
    Connecticut
    It is almost always usually a mixture problem you need to have someone adjust the mixture with an analyzer.
     
  5. Leon82

    Leon82 Member

    Joined:
    Mar 13, 2014
    Location:
    Connecticut
    It possibly could be related to vent length you can try and extend it and see how it sounds
     
  6. hiperco

    hiperco Member

    Joined:
    Nov 11, 2011
    Location:
    Upstate NY
    I had a similar issue (but on a completely different unit, a Trianco Heatmaker). It turned out to be a bad gas valve, it wasn't providing the proper pressure and therefore the burner wasn't operating properly, and made a honking noise during ignition. It resulted in numerous sleepless nights before it was repaired.
     
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