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- 12 May 2009
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i tried to drain down my central heating system today, however i failed. i have 2 drain cocks located downstairs. 1 in the hallway and 1 in the dining room. the boiler is britony combi 100. i connected a hose to hallway drain cock and turned the square thing but nothing came out i cudnt remove it out all the way as it stops turning. i took hose off the and tried the one in dining room, this one lets water come out but only dripping and nothing came out the hose end just dripping out from where i connected the hose to the drain cock. i took hose off and just put a bucket there opened the cock and all i got was fast dripping (btw this one didnt screwout all the way either. at the moment i have 1 rad connected only eventually there will be seven. i hav a few questions
1 why did it not it drain?
2. is there any tool i can use or buy to make turning the square on the draincock an easy job
3. on the rooms where there are no rad connected all i have is flow and return pipes with valves on them and are set to closed position. do they need to be in opened position for system to drain down?
4 how can i drain down without the use of drain cock. could i use the valves instead?
5 do both pipes in system need draining the flow and return
6 if i can drain from valves do i have to do it on all rad or just any one downstairs
thanks
1 why did it not it drain?
2. is there any tool i can use or buy to make turning the square on the draincock an easy job
3. on the rooms where there are no rad connected all i have is flow and return pipes with valves on them and are set to closed position. do they need to be in opened position for system to drain down?
4 how can i drain down without the use of drain cock. could i use the valves instead?
5 do both pipes in system need draining the flow and return
6 if i can drain from valves do i have to do it on all rad or just any one downstairs
thanks