Recent content by steffan

it will. I have encountered this problem many times. :shock: maybe you should go out more 8)

if you've diagnosed all these problems the heating should be put down, or maybe buy an airseparator for £15 that prevents what is clealy a massive unwanted introduction of air into the system, the most common coming from the header tank due to poor plumbing design or loss of efficiency in the...

secondary heat exchanger blocked?? Try cleaning it. or, thermosistor faulty, or rubber membrane controlling flow switch worn out

install an airseparator on the expansion/feed pipes/flow depending on layout. This will cure your problem.