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hot water on gives heat also?

The heating button is off but when I put hot water on the heating comes on as well but it's not required.
Rees, February 2009
3 port valve is probably stuck. Turn off heating and move lever under valve. Turn heating back on may then be ok.
If not needs new acctuator about £50

Ian CMackay, February 2009
sounds like you may need a new clock mate

bob, February 2009