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Vaillant Boiler How To Turn Heating On. My only problem is when the outside temp is similar to the inside temp. Turn ONE of them on.
Boiler Controls And Thermostats How Do They Work from www.theecoexperts.co.uk
This should be set at 65 degrees to enable it to deliver water of 60 degrees see above. Turning The Boiler ON Ensure the electrical supply to the boiler is turned on. It has worked OK for 18mths only had probs just after installation same thing rads heating up randomly whereupon the installer put in a new thermostat which worked OK until a.
He suggested turning boiler and stat off together then turn back on together to re-establish the connection.
Possible causes a malfunctioning thermostat or dirty air filters are the two most common causes of an overactive boiler. The boiler display shows a heating symbol which is either on or flashing. Turning The Boiler ON Ensure the electrical supply to the boiler is turned on. Your Vaillant ecoTEC pro is a gas-fired wall-hung high-effi- ciency boiler which generates heat for heating andor domestic hot water generation.
