How to bleed a radiator: Steps you should take 'every few weeks' to keep your home warm


If you do not have a bleed key, a screwdriver tends to work.

Speaking to Toolstation, Mr Biles said: “When filling the system make sure all bleed valves are closed.

“Some people forget to close the valve when draining the system and this can be very messy if one is left open when filling the system and can cause potential damage.

“One-by-one, start at the lowest radiator and gently open the bleed valve, using a cup and bleed key.


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