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Central Heating

Boiler fault hot and cold running water

Hi I have a potterton oil combi boiler about 9 years old it's been happening for some time but learnt to live with it when running hot water it gose cold after 2 mins the hot then cold and so on if turn the hot water tap on and have it very slow you do get hot water for a bit longer what do you think?

2 Answers from MyBuilder Heating Engineers

Plate to plate heat exchanger clogged up. Boiler need new/cleaned one.


Answered 14th Feb 2015

ntc,or diverter valve problem


Answered 14th Feb 2015

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