I'm pleased you say usually people who have this noise problem sit and listen to their neighbours. I'm not usual people Tony. Thanks you have confirmed all I needed to know
I have had an Ideal combi installed 3 years ago. My Potterton Lynx Combi kept cutting out when I ran hot water I found the guys who installed it they said it was time for renewing.
Mine is the ground floor flat. The flat above me still has P L Combi. When the heating was switched on September...