We live in low part of Sussex where we do encounter flooding. Surface water is seen in fields next to us even after a short spell of heavy rain.
We have had all valves, radiators, pipes checked when cold/when hot - everything. We have checked all outside walls incase of leaks going into...
We have had this problem now for over 5 years. We have a combi boiler an Alpha CB28. Initially we thought the actual boiler was leaking (as we discovered small leaks from it) - plumbers also did extensive searches for leaks elsewhere and found none. It was advised that a new boiler should be...