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How to Bleed a radiator & get the air out

Close-up of a rusted hexagonal bolt on a mechanical device.

Trapped air prevents radiators heating up fully, so if your radiators feel cooler at the top than at the bottom, it's likely that a bit of air has got stuck in them. Luckily - getting the air out of the radiator - "bleeding" it - is as simple as it gets. Watch this video tutorial to learn how to bleed a radiator.

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