Heating coming on with timed hot water although it is turned off

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Heating coming on with timed hot water although it is turned off

Post  DAVRICH on Tue Jul 31, 2012 6:12 am

Hi,

Got a Boilermate A-class SP model approx. 5 years old. It has been working well until recently. I have the hot water on timer which comes on 2/3 times a day however when the hot water comes on so does the heating (all radiators, above and below). It then seems to go off with the hot water.

My thoughts were perhaps a dodgy 3 port control valve with a blown motor maybe? Or perhaps dodgy wiring but hopefully you can help.

If i am correct and it is the 3 port control valve i assume that this is the same thing that gledhill call a motorised valve?

Thanks in anticipation!


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Re: Heating coming on with timed hot water although it is turned off

Post  mike on Wed Aug 01, 2012 2:58 pm

Yes 3 port motorised valve.
Easy to check by feeling it.
Mike

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