I wonder if an expert could help with my problem, i have an old style back boiler which for some time now will not run the hot water and central heating seperately ie, to have the central heating on the hot water must be on.
We do have it serviced and last time the engineer fixed it but not long after it stopped working seperately again. Does anyone know why this is as i would like to be able to have knowledge of the problem and how it should be fixed before i call an engineer again.
hi it sounds like a problem with the motorized valve, its only that that can seperate the 2, it perhaps needs a new motor fitting ,, the other thing it can be are the control stats, one for the water and one for the heating,
or even the programmer not working properly
Thanks for your replies obviously there are a couple of options so could you tell me where the Motorised valve can be found. Is this mext to the water tank and the pump, if so we had this replaced last time not even a year ago.
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