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Combi worcester 240. Plenty of hot water when heating running bot only luke warm when heating off. The pin in diverter valve working fine and ive tested the switch and that is ok !! Anybody got any ideas. Thanks.

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What u need to do is let the flow and return pipes for the heating go cold they are normally the 22mm ones and if 1 gets warm when u run your hot tap then u need a new diverter valve. if they stay cold then u need to see if the boiler is igniting in hot water so turn off the heating and just run the hot tap to see if it ignites get back to me

Posted on Jun 11, 2009

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