Recent content by dullfogy

The boiler is vaillant ecoTec pro 30kw

Hello, I just install a new vaillant ecoTec pro 30 Combi boiler few month ago, and I just realised that water temperature is keep go over the temperature I have set. e.g. I set the water temperature at 45 degree but it going up to 60 or even higher when I turn on hot water. Please can any one...