BeeKeeper 0 Posted February 17, 2017 Report Share Posted February 17, 2017 (edited) Hi forum, Can anyone tell me why my radiators need to be bleed every couple of weeks. Especially the upstairs ones? I don't understand why if it is a closed system where all this air is coming from. Also, they sell two types of venting / bleed key in woodies. One with a short metal lever, the other a butterfly shape. See pic attached... The short lever one is absolutely useless. It completely bent after just a few uses. The butterfly one is pretty good though. Edited February 17, 2017 by BeeKeeper wrong pic Link to post Share on other sites
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