rattle

Hi there, Have a new Beko fan oven, and notice when the main oven gets up to temperature, an annoying buzz/rattle occasionally appears. I have narrowed it down to the top oven door - when I put some weight on it, it seems to stop the rattle. I have tried re-seating both oven doors but that...

I have a 4 year old Viessmann Vitodens 100 Combi boiler feeding an unvented hot water system and underfloor heating system. My issue is with the hot water circuit. When the hot water system switches on in the morning and the boiler fires up there is distinct rattle/judder which lasts a second...