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Noisy Glow worm 40ff

Discussion in 'Plumbing and Central Heating' started by Joe82, 6 Jan 2013.

  1. Joe82

    Joe82

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    Hi,

    I was wondering if anyone could shed some light on the noises coming from my system please,

    The boiler is stated above and it is a y plan open vented system, i seem to have a whistling/squeaking noise coming from my system it doesn't happen when the boiler first fires up it seems to be when it is heating hot water and heating but it only seems to start getting noisy about 5 minutes before the thermostat cuts it out almost like when it is probably working at it's hardest.

    Any help would be appreciated,

    Thanks.
     
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  3. Joe82

    Joe82

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    Any idea's please? or is more info needed?

    Thanks.
     
  4. Armo74

    Armo74

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    Maybe a build up of sludge or scale in the heat exchanger. When did you last drain your system and top up with inhibitor? Do you have any problems with any of your rads?
     
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  5. Joe82

    Joe82

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    Thanks for the reply, Not sure when the system was last drained i have lived here for 6 years and i have never done it so maybe that has not helped things. All radiators seem fine.
     
  6. Hugh Jaleak

    Hugh Jaleak

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    Can do no harm putting a bottle of Sentinel X400 in the system. Let it circulate for a few weeks, drain the system and refill, adding fresh inhibitor when done. The X400 may help loosen up any deposits in the system and quieten it down.
     
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  8. Whitespirit66

    Whitespirit66

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  9. Joe82

    Joe82

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    Thanks alot i will do just that. I take it i put it in the small tank in the loft?
     
  10. mickyg

    mickyg

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    drain some water out first otherwise you'll just clean the header tank :D
     
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  11. Whitespirit66

    Whitespirit66

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    Yes, but don't just tip it in. Isolate cold supply to tank's float valve. Bail out all of the water in there that will poss also contain crud and bits of loft insulation that you don't want drawn down into the system. Clean inside of tank. Then I usually drain a gallon or two out of the drain cock at lowest point of system, so that when I tip the additives into the empty tank, it goes down into system. Turn water back on and allow tank to fill - then run system. Sometimes I drain whole system, add additive, then refill.
     
  12. DIYnot Local

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