Recent content by TimH

i.e. When the boiler was installed on the old system. When the radiators are bled the water has a slight whitish tinge to it.

The system was flushed when it was installed. I will try again. Where do I fill from? Sealed system

TRV's installed with boiler 10 mths ago.

Yes. TRV's installed on all but one radiator.

Yes, it has. Used to be gravity fed system.

Hi We recently had Main 24he Combi boiler installed. After the heating has been on for a bit we suddenly get a humming which can progress into a banging. This can be cured sometimes by turning some of the TRV's off or, otherwise by simply turning the boiler off for 10 mins or so. There is...