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Looking for a smarter way to manage your heating this winter? We’ve been testing the new Aqara Radiator Thermostat W600 to see how quiet, accurate and easy it is to use around the home. Click here read our review.
I have a Vokera excell 80 SP --- 9-10 years old recently serviced(new diaphragm etc) central heating appears ok its the hot water thats the problem - it comes on and heats up but will go cool and warm up again or even go cold and warm up again even though the burner is continually burning during...