Recent content by Silkman

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Hi guys, sorry for lack of info. It's an ordinary conventional worcester bosch boiler, not a combi. We do have an electrical immersion heater in our cylinder but we never switch it on. The new thermostat is set at 50C. The plumber tells me both valves are working properly along with the...

My hot water gets very hot even though the boiler is only ever on 'central heating' only. Plumber has changed valve and thermostat but still not solved issue. Any ideas please?