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no heating?

i have a viessmann combi boiler there is hot water but my radiators will not come on can you help please

mrs hales
November 2012
ViessmannViessmann Combi BoilerHeating, Home Heating SystemsBoiler Water Help
if u have an external thermostat than that would be the first thing to check and also if u have an external timer. if its not that then most likely it could be a diverter valve problem. but its something an engineer would need to check to find the fault if it with the boiler

kash
November 2012

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