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Thread: Triangle Challenger noise when starting up and shutting down

  1. #1
    DIY Junior Member Kidj00's Avatar
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    Default Triangle Challenger noise when starting up and shutting down

    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?

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    Retired Defense Industry Engineer jadnashua's Avatar
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    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.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #3
    DIY Junior Member Kidj00's Avatar
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    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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