Broken Radiator Bleed valve

7 Dec 2007
Reaction score
United Kingdom
I tried to bleed some air off my bathroom radiator when the bleed valve sheered in two and snapped off. Do I need to replace whole radiator or can the valve be replaced?
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Is it tapped straight into the rad eg a Myson roundtop rad, or is it within a 1/2" nut on the end?
the bleed screw isn't in a square recess, is it?
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Unless you can drill it out and find a replacement nipple then it sounds like a new rad then :cry:
if you have a low-speed, reversible drill/screwdriver, you may be able to get a left-handed drill (this is not a joke) which can sometimes extract broken screws. you may find them in a tool shop, hardware store or DIY shed. If it save you having to buy and fit a new rad it's worth a try.

I do NOT mean the ironically-named "easy-outs" which are a sort of spiral screw extractor in very hard steel and more often than not snap off immovably when they are used by hand
Unless it is a really big and therefore expansive rad, replace it with a proper one, that allows you to swap the bleeder if need be

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