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Thread: jaguar boiler 23kW hot water

  1. #1
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    Default jaguar boiler 23kW hot water

    I have a jaguar 23kW combi. the hot water runs hot and cold when the tap is at a constant flow, boiler switching on and off. any ideas.

  2. #2
    Moderator sunbeam's Avatar
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    Default Re: jaguar boiler 23kW hot water

    could be the thermister,

  3. #3
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    Default Re: jaguar boiler 23kW hot water

    sad to say a shiny new thermister has been fitted and the boiler still cuts in and out as it did before ! Could be time to get the hammer out and give it a good thump!

  4. #4
    Moderator sunbeam's Avatar
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    Default Re: jaguar boiler 23kW hot water

    i take it the central heating works ok?

  5. #5
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    Default Re: jaguar boiler 23kW hot water

    central heating is working a treat.

  6. #6
    Moderator sunbeam's Avatar
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    Default Re: jaguar boiler 23kW hot water

    if you put the central heating on and then turn on a hot tap does it do the same thing?

  7. #7
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    Default Re: jaguar boiler 23kW hot water

    Sounds like the plate to plate heat exchanger is blocked.needs replacing

  8. #8
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    Default Re: jaguar boiler 23kW hot water

    hi sunbeam. yes the same thing happens with the heating on or off. Do you think the plate to plate is blocked as myk sugests ?
    Thanks myk
    Dave

  9. #9
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    Default Re: jaguar boiler 23kW hot water

    I take it that is another name for the secondary heat exchanger?
    Dave

  10. #10
    Moderator sunbeam's Avatar
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    Default Re: jaguar boiler 23kW hot water

    good shout myk, i've never come across one blocked but then again were're blessed with quality water up here.

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