hi
i've recently moved into a new house, and the central heating system is extremely noisy. There is a large vibration around the pump, which echo throughout the pipe work making the whole system extremely noisy - especially when it comes on at 5:30am!
The vibration exists on all 3 pump speeds, and it gets worse if i increase the water temperature in the boiler.
What would be causing this? It is a bad pump?? Any advice??
thanks martin