||12-28-2008 08:29 AM
Central Heating Problem
Can anyone offer any further advice please: I can get the upstairs radiators in all bedrooms, bathrooms and en-suite operating correctly but the downstairs radiators are mainly cold, luke warm at best.
If I turn down the upstairs radiators to their minimum setting I can get a better response from the downstairs radiators but, by no means as hot as they should be, some hotter than others, some even cold. The pump appears to be running normally and the pipes above and below the pump are too hot to touch when the boiler is running.
I have tried the following: Flushed the complete system with a hired flushing and cleaning device, I also used the pump systems in built heater to send hot water to every radiator on the system individually. I have bled the system that many times I have lost count, no significant air in the system. Opened the drain tap at the lowest point, with the pump running, no significant response.
I do not have a combination or condensing boiler fitted and the system is a sealed system.
thanks in advance