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Mend Valiant Central Heating Combi Boiler Thermostat

valiant combi boiler?

when Iturn my central heating on with the thermostat on the wall the boiler fires up but after 30 seconds dies down so my radiators are nt getting warm. but I still getting hot water.

steve blackburn
May 2009
ValiantHeating, Home Heating SystemsCentral Heating Combi Boiler Thermostat

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Valiant Combi Boiler Not Heating - Help & Fixes