Recent content by ronaldm

i'm not sure about my system but i have 2 cistern tank on my loft of the same size, not sure which one goes to the sink and which on goes to the heating system. my radiators heat up only on top but not on the bottom so i wanted to remove the sludge deposits. oh can u recommend a de-sludger

hi everyone, anyone have a clue on how to drain the central heating system and how to refill the same. mine don't have any drain cock on the downstair radiators, what valve should i close to drain the system