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noisy pump/water flow thru radiators

Discussion in 'Plumbing and Central Heating' started by hayho, 15 Dec 2005.

  1. hayho

    hayho

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    I have a Baxi Solo 3 70 pf boiler in the garage.

    There is a tank in the airing cupboard with a pump. The pump seems quite noisy and there is always a loud water flowing noise in the radiators.

    Not sure if the noise from the pump is being carried around the system or what? But it is noisy, to add to this there is pretty much a constant tapping noise from the the pipes in the ceiling, even when the system is on and has warmed up. Any ideas?
     
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  3. Softus

    Softus

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    Have you vented the system? Does it have a chemical corrosion inhibitor in it?
     
  4. hayho

    hayho

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    no i have not vented the system and there is no inhibitor in it. is this what i need to do? if so how do i go about doing it? is it expensive? thanks for your reply.
     
  5. Softus

    Softus

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    Basically, to vent:

    1. Turn the system off.
    2. Open all rad valves.
    3. Manually open all MZVs.
    4. Vent at each rad.
    5. Check that the F&E cistern is up to the expected level.
    6. Turn on the system.

    For more detail do a search on "venting", and for instructions on draining have a look at How to manually flush a heating system with mains water.
     
  6. bathjobby

    bathjobby

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    Would not recommend this as it will encourage over pumping. You water level in the F&E tank should be just above the feed pipe.
     
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  8. Softus

    Softus

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    hayho - please note that I've edited my post to be less ambiguous.

    bathjobby - are you being serious, or just pedantic? I'm struggling to believe that you think I meant 'full to brimming', and I'm curious to hear how an extra four inches of head of water would encourage "over pumping". Please enlighten me.
     
  9. doninator

    doninator

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    hit the pump with a hammer
     
  10. Softus

    Softus

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    Hit you with a hammer, more like.

    If you'd waited another week, this topic would have been three full years stale. :rolleyes:
     
  11. Gas2Air

    Gas2Air

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    You working this Chrimbo day again then Softus?
     
  12. Softus

    Softus

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    No sirree! I don't think I was in 2005 either - probably just sick of eating and watching TV.
     
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