My central heating systems works fine downstairs, but the upstairs radiators hardly get warm. It's been very cold lately and I really need to find a solution to this issue. My combi boiler is located upstairs and I have a feeling that someone has done some DIY before I moved in and possibly messed up the flow and return. I wonder if I can find the flow leaving the boiler and branch off from this and supply the upstairs radiators and then connect the return of the upstairs radiators to the existing return pipe coming back into the boiler. The easiest way would be to have the whole piping system replaced, but the downstairs is mostly tiled so I have no access to the pipe work. Can anyone offer me any advice?
No heating upstairs - help
- Thread starter sean101
- Start date
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theres nothing obvious that springs to mind here...apart from very strange.need to be there 2 diagnose that 1 
It could be loads of things air in rads,rad valves closed down ,sludge,pump,etc etc.might be worth shutting all down stairs/hot rads and then seeing if others then get hot if so balancing may be at fault.Dont rush into changing pipe work just yet
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