Thread: Noisy back boiler

     
  1. #1
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    Noisy back boiler

    I have a noisy back boiler, when the gas finnishes heating up and switches off it starts banging and creaking, I have drained the system to no avail, just wondering if there is air in the tank and if so how to get rid of it, tried bleeding the radiators makes no difference.

  2. #2
    VIP Member nara's Avatar
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    Re: Noisy back boiler

    Quote Originally Posted by cjn View Post
    ...when the gas finishes heating up and switches off it starts banging and creaking.

    They always do. It goes with the territory.

  3. #3
    Admin MH's Avatar
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    Re: Noisy back boiler


    Most likely kettling, the pump is stopping to early and the residual head in the heat exchanger is boiling the water.

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