How to Bleed a Radiator from Discounted Heating

A quick and easy guide to bleeding your radiator, less complicated than you might think!
Jan. 24, 2013 - PRLog -- If your radiator is cold at the top and warm at the bottom, then it is fairly likely that it has trapped air in it and will require ‘bleeding’.  Fortunately, this is a relatively simple process that basically allows for any trapped air within the radiator to be let out – it’s quick and easy and can be done at home without the help of a plumber.  Discounted Heating ( have put together these few simple steps for a quick and easy fix!

1) Turn off the central heating

Before bleeding a radiator, you should ensure that the central heating is switched off at the mains to make sure that no more air is let into the system and trapped there.

2) Find the bleed key

The small bleed key (or radiator key) should have come with your radiator but if you can’t find it, don’t worry too much, you should be able to find and buy yourself a new one from your local DIY store.

3) Find the bleed valve

The bleed valve is normally located on either side of the radiator, usually near the top.

4) Protect the area

Put a small cloth or towel around the bleed valve area to catch any leaks that may occur.  You should also wrap your had in a towel or cloth to protect it, as the air that comes out may be hot.

5) Bleed the radiator

Insert the lees key into the bleed valve and turn it anti-clockwise, slowly and carefully, normal a quarter turn will be sufficient.  Any air that is trapped in your radiator will begin to be released, accompanied by a hissing sound.  When water begins to trickle out it means that the job is done!

6) Tighten the bleed valve

Once the water has begun to come out, you should tighten the valve back to it’s original position. Give it a wipe over to clear up any spills, just be careful as the water can be very hot.

7) Turn the heating back on

Don’t forget to turn your central heating system back on once you’ve finished bleeding your radiator(s).  Leave it a couple of hours and check back on them to see how they are doing and that they are warm over the whole surface. Job done!

If ever you are in doubt with a DIY related problem, it is best to call in a professional engineer to fix the problem, or you may end up making it worse!

If you would like to take a look at some of our other articles and useful tips, follow the link to our blog!
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Tags:Radiator, Discounted Heating, Central Heating, Bleeding Radiator, Plumbing
Industry:Energy, Heating
Location:Plymouth - Devon - England
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