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Discuss Noisy combi boiler strange repair option in the Central Heating Forum area at UKPlumbersForums.co.uk.

  1. jaz

    jaz New Member

    Our worcester greenstar he boiler sounds like a world war 2 lancaster bomber trying to take off !

    This happens when it first switches on in the morning - whenever the hot tap
    is turned on - or it pumps water when the thermostat clicks it on.
    An engineer has suggested we should add an extra "tank" of some sort of repair

    Can anyone tell me what this is - is it a manufacturers recommended "fix" or what? Is it safe and is it normal to do this?

    also does anyone know where I can download a manual for this - I cant find one on the worcester site . have I just missed it?

    The boiler is 14 years old.
     
  2. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    When was it last serviced ?
     
  3. Riley

    Riley Plumber GSR

    Agreed I’ve just had the same issue with a different model has engineer in fact just picked up on wear and tear issues and is repairing it accordingly before noise is addressed
     
  4. jaz

    jaz New Member

    it was serviced 10-07-17 and every year previously.

    Does the suggested repair sound correct to you?

    PS - I've found a manual now.
     
  5. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    NO sounds like he's suggesting adding another expansion vessel

    TBH I would get a second opinion from a gas safe engy
     
  6. jaz

    jaz New Member

    hi shaun
    thanks for the quick response.

    That sounds very definite.
    Can you say why so I can tell him why I don't want it done that way?
     
  7. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    Do you have to keep topping the pressure in the system up ?
     
  8. jaz

    jaz New Member

    it doesn't need topping up that more than about every 3-4 months or so I think. the other issues it has are randomly switching off and not heating radiators regardless of thermostat (I power off and on and it runs ok again) This does cause serious problems but not technical ones. That is worse in cold weather presumably because its on longer.
    And the water out of the hot tap is very white and milky (it hasn't done that like that since it was new)
     
  9. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    I would say you have other issues that an expansion vessel won't solve
     
  10. jaz

    jaz New Member

    Yes I think you're right.

    Can you explain why adding another expansion vessel is not a good idea though?
     
  11. jtsplumbing

    jtsplumbing Plumber GSR

    Time to start thinking about a replacement boiler ! at this age just be careful what you spend on it,
     
  12. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    It's not a bad idea just wasting money unless you've got a really big system then again you wouldn't have a combi boiler
     
  13. jaz

    jaz New Member

    Thanks for all the info - I'll see how we get on next week.
     
  14. jaz

    jaz New Member

    just for info for everyone..
    It seems some sort of rubber diaphram had split in half and got
    sucked into a fan. The final repair took about ten minutes.

    Thanks for all the suggestions though.
     
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