Hi,
My turbomax combi has developed some problems.
1) when the hot water is used, the CH starts to warm up and will then run on after the hot water is stopped, even when the heating controls are off.
2) with the heating set to off and the timer switched to off, the heating will try to strike up in the middle of the night, you can hear it going through the strt up then cutting out and trying again. the only way to stop it is to turn off the boiler.
Is this related to problem 1, which from what ive read on here would seem to be the diverter valve.
1. dhw could be in `warmstart` mode. turn dhw selector fully anticlockwise, green light should go off, then turn clockwise to desired position. if that sorts it then away you go. if it doesnt then diverter valve is jammed in htg mode and req`s a new one. dpmartin17@aol.com
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