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Thread: Help with boiler required..

  1. #1
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    Default Help with boiler required..

    Any folks out there that know there stuff... i would be greatfull for the advice.

    The Boiler is a combi Vokera Option aprox 4 years old, the symptoms are: The pressure is increasing too high.
    I have looked at the Pressure vessel & it's holding pressure.
    I have removed the mains fill up loop & it's not a leaking valve on that side.
    I have narrowed it down to the hot water heat exchanger must have failed & is passing mains water into the heating system...

    Now my question is:
    Is it worth having the heater exchanger replaced & roughly what is the likely cost?
    Or should i use the cash i have saved towards a new car & have a complete new boiler installed?

    Thanks in advance...

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    Any one?

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    See www.heatingspares247.com for possible prices (click on boiler parts and then heat exchangers)

    Also see http://www.diynot.com/forums/viewtopic.php?p=700249 for some pretty negative comments about these boilers.

    Pays your money and takes your choice!

    Sue you can find much more if you Google "Vokera Boilers".

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    Full Member chunkster's Avatar
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    have a look here, you may need the part number for the right one,
    Wayne -

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    Quote Originally Posted by dh.dti View Post
    Any folks out there that know there stuff... i would be greatfull for the advice.

    The Boiler is a combi Vokera Option aprox 4 years old, the symptoms are: The pressure is increasing too high.
    I have looked at the Pressure vessel & it's holding pressure.
    I have removed the mains fill up loop & it's not a leaking valve on that side.
    I have narrowed it down to the hot water heat exchanger must have failed & is passing mains water into the heating system...

    Now my question is:
    Is it worth having the heater exchanger replaced & roughly what is the likely cost?
    Or should i use the cash i have saved towards a new car & have a complete new boiler installed?

    Thanks in advance...
    Get shot mate - vokera have never been much cop - try to get a vaillant/gloworm or a worcester. It'll cost you a bit more but worth it!!

  6. #6
    Regular Member mradz's Avatar
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    any of those makes are a good choice and come well backed up too!

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    Regular Member Matty H's Avatar
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    I know you say you've checked this but are you sure the expansion vessel is sound? It's a very common problem in Vokeras

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    Quote Originally Posted by Matty H View Post
    I know you say you've checked this but are you sure the expansion vessel is sound? It's a very common problem in Vokeras
    Yes the vessel is holding the set pressure...

    If i turn the hot water mains inlet off, the system is fine & not gaining pressure... but once the hot water is in operation the pressure is rising very quickly

  9. #9
    Regular Member Matty H's Avatar
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    Quote Originally Posted by dh.dti View Post
    Yes the vessel is holding the set pressure...

    If i turn the hot water mains inlet off, the system is fine & not gaining pressure... but once the hot water is in operation the pressure is rising very quickly
    Do you get a similar quick pressure rise on heating only? Not just the normal rise from expansion?

    Could well be your assumption on the heat exchanger then

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