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  1. C

    Ideal Icos HE12 bubbling and banging loudly

    All x7 rads are in use - x4 downstairs without TRV's, x2 upstairs with TRV's and x1 upstairs without a TRV. I shut the bedroom TRV off frequently at night to keep the bedroom cool, only turning it on now and again during the day to take away the chill in that room. The green LED on the...
  2. C

    Ideal Icos HE12 bubbling and banging loudly

    Hi there, I'm having a problem with my Icos HE12 boiler, it bubbles and bangs quite loudly and I'm afraid to use it. It does heat up the central heating and hot water but the bubbling and banging is really concerning me. SWALEC don't want to know, they don't cover the Ideal range of boilers...
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