How to bleed a radiator
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Uploader Comments (ultimatehandyman)
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1 person lost his bleed key.
2 months ago 6
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If the part on the radiator has rounded off you need a brass bleed valve.
If the key is rounded you need a bleed key.
All Comments (64)
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Thanks HandyMan. Found your tutorials a great help. Regards...
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Nice one - thanks!!!
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@jgena25 Some N. American systems with fin-tube (baseboard) radiators don't have a bleeder on each radiator, you have to flush each loop with a garden hose; if these have shutoffs, they may be in the basement. If two fin-tube radiators are connected through a wall, they could share valves (check both ends). If you have cast iron radiators or box convectors, both valves should be easy to find, unless it's a steam system, which is a whole new (actually old :-)) can of worms, so to speak.
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bleed valve has rounded
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The brass bleed valve on the radiator has a square bit sticking out. The key has a square hole in it that engages with the square bleed valve. You need to determine if the key is rounded or the bleed valve has rounded and then replace the faulty part.
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@ultimatehandyman what does the brass key do its the same key
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@ultimatehandyman the radiator not the key works
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Hiya, I've just bled my 2 small radiators in my student room, but no water came out after I heard the noise of the air hissing out stop - does this mean I need to leave the valve open until the water comes out?
Lasuil 2 weeks ago
@Lasuil
If you have a sealed system you need to check the system pressure. Never leave a bleed valve open and leave it!
ultimatehandyman 2 weeks ago