Recent content by Frank247

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    Potterton Performa 28 uncontrolable water temperature

    It's just a regular performa. The temperature knob for the HW doesn't appear to do anything. Whereas the one for the CH will fire the boiler on and of.
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    Potterton Performa 28 uncontrolable water temperature

    Thanks for the replies guys, at the end of the day what I may have considered 'normal operation' may not have been just that. Hope that makes sense. baxipoti - are you suggesting that in fact the boiler is behaving as it should?
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    Potterton Performa 28 uncontrolable water temperature

    Thanks for the reply guys. @begasman - it happened all by itself.
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    Potterton Performa 28 uncontrolable water temperature

    Hi all, first time post here :D We have a Potterton Performa 28. In recent months it's had a new diverter valve and heat exchanger ( secondary). It's been working well until recently. The heating works ok, until you try and use the hot water. If the heating is on or off, as soon as open...
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