how do you bleed radiators?

Answer 1

You will need a radiator key, once you have this, get a bowl, at the top end of the radiator there will be a little thingy where the rad key fits onto, slip it on, and trun slowly to release the air inside, once the water bubbles out a little, then tighten back up, simple job, even I can do this one!!

Answer 2

You need a radiator key ( diy shop ) use the key to turn the bleed plug ( found at the top corner off the radiator) just enough to allow the trapped air to escape, don't take the plug out as its quite hard to get in when the water comes through, wait until the water starts to flow, put a rag or bowl beneath to catch any water and hey presto you ve bled the radiator!
Not hard even you can do it!

Answer 3

Radiator bleeding purges air that has accidentally gotten into the radiator's coils. All radiators must be bled on a regular basis, as the heating and cooling of water naturally releases air bubbles. You can try radiator bleeding if your heater seems to be functioning poorly or not heating as well as it did before.

A radiator works by heating water in a series of coils that effectively warms the air that comes in contact with the metal surface. When air gets in the radiator, it rises to the top and displaces some of the water. Air doesn't conduct heat nearly as efficiently as water, therefore it is both costly and wasteful to run your radiator with air trapped inside.


Check the link for the how-to

Answer 4

Do you have a radiator key if so pop it in at the side of the radiator twist the key slowly so you can fill the air coming out then next should be dirty water then close it tight then pop your radiator on and it should then be warm in seconds.I also suggest that you should get your radiator cleaned out by taking the radiator off the wall and flushing it out with water as it can get bits inside but don't get the water over the carpet as you will never grt it out.

Answer 5

You need a radiator key and a cloth.

Start from the radiator furthest away from the boiler.

Use your key on the bleed screw at the top of the radiator and turn anti-clockwise until you hear hissing. This is the air coming out. When the air stops and you get a stream of water, close the bleed screw (turn it clockwise).

Repeat with all the radiators working towards the boiler.

Answer 6

If it's in a car or truck you simply open the "wing nut" type valve on the bottom of the radiator and open the radiator cap which allows the liquid to pour into a can or jar.

If they're in your house; turn on the heating unit and open the steam release valve on the individual radiator and allow air to escape until liquid comes out, then close the valve.

Answer 7

Like everyone else has stated, you need a radiator key. There is a bleeder at the top corner of the radiator. Turn it counterclockwise until water comes out and then close it.

Answer 8

Well it depends if you have an automatic fill system or manual valve filling system. If automatic just start at the radiator farthest from your unit. Get a radiator key and hold a cup under the bleeder valve. Open valve and draw about a cup of water out. Repeat this making your way closer to your boiler. If its manual you must open your valve (water coming into your boiler) and once you are done you must remember to close this valve.

Answer 9

Get a radiator key and an old towel and just release the air slowly.

Answer 10

You shoud have a little key that releases the pressure from the top of the radiator.