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My radiators in my house are playing up.Three of them are staying on all the time.I have changed the thermostat on the wall but this has made no difference.Even when I turn the water and the heating off on the timer the radiators are still red hot.It is a Rhino oil boiler and it is drayton controls. As I said I have bought a new drayton thermostat and I am wondering if I should change the control panel.Could anyone help with this before I need to call in the professionals .
