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Try this http://www.diydata.com/projects/centralheating/balancing/balancing.htm :D

Hi Make sure all other radiators turned off, then go to the cold radiator and make sure both valves are open full (flow and return). If that don't work get the plumber back and get him to flush the system out!! Never heard of using bread :roll:

Hi Had the same problem, what i would do is remove the worse affected radiators and flush out. Then put some sentinel X400 or Fernox DS40 in the system, leave in system for upto a week. Then flush out, fill back up then all should be good! If not pump may need cleaning or replacing!! :evil...

My system is old Glow metro BBU All was ok yesterday, i fitted a new double radiator in the living room, when i took the old of off the was black water in the rad. Living room rad was hot, but others not as hot So decided to clean pump out. When i opened pump there was black water but not...

Hi Everyone I cleaned my pump out today at was quite full of sludge and black water. Cleaned and was running freely Put back together as it came apart! All downstairs rads are not very warm Water going through the pump, but sounds like it has air in it and the pump is getting very hot...

Lemon juice or white vinegar :shock:

Hi mate I have the same problem! proberly best wait till may or june to do this and wait for a week thats going to be fairly dry (hard i know in this country!!!) :roll: What i did was use the pressure washer and used the little syphon at the side and dipped that into some patio/path;. To...

Hi First of all which way are your front and back wall facing North, South???Are you walls brick or concrete? What paint have you before used on your walls?

cheers everyone for your help! Sorted now!!! Ended up taking rad off and flushing out not much sludge in, must have been a air lock :D

Hi everyone :? Wondering whether anyone could help me!! Tried everything!!! I flushed my system out, water running clean. All rads balanced and red hot apart from the last one in the chain. The rad hot at top but gets gradually colder as you get further down. Both valves fully open. Do...