Recent content by jenniferfh

Although previous posts about this boiler do not have my exact symptoms, I have turned down the boiler stat and increased the pump setting by 1 level - Alpha2 L 15-60-130. J

The boiler was installed new in December 2010. 15 minutes after starting in the morning, there is significant vibration which sounds like a motorbike from anywhere in the house. This clears but returns occasionally during the day. Also occasional booming from the boler which is not the gas...