Triangle Challenger noise when starting up and shutting down

Discussion in 'Boiler Forum' started by Kidj00, Jan 18, 2014.

  1. Kidj00

    Kidj00 New Member

    Messages:
    2
    Location:
    Ohio
    Boiler has been in service for about 3 months and now when it starts up and shuts down there is a snapping or clicking noise which seems to be at the top of the unit. Do you have any ideas what this could be?
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    21,924
    Location:
    New England
    It could be the exhaust/intake pipes. If things have slightly shifted, and those pipes run through anything that got tight, as the temp changes, they expand or contract, and if 'caught' on anything, they can easily make clicking sounds. The same thing happens with plastic drain pipes as you say run a shower - you don't normally hear it while showering, but afterwards, as they cool off, it is not uncommon to hear them. The prevention is properly sized holes, and proper support. Harder to fix afterwards.
  3. Kidj00

    Kidj00 New Member

    Messages:
    2
    Location:
    Ohio
    It doesn't sound like it is in any of the piping if you are talking about the PVC. It sounds as if it is by the burner assembly itself. It has been making this sound for a week now.
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