You need to bleed it and let the air out - use a radiator key. They're available from B&Q, Wickes etc.
2007-02-27 07:25:01
·
answer #1
·
answered by Carrot Cruncher 5
·
1⤊
0⤋
Air gets trapped in the top of radiators and it can't escape. The hot water in the rad can not reach the top because of the trapped air, therefore the top remains cool. Radiators normally have a little square headed valve at the top of the rad which, with a little key, you can unscrew it just enough for the trapped air to escape. As the air escapes the hot water will rise to the top of the rad. When all the air has escaped you may get a little water come out from the valve, have a towel ready and when the water reaches the valve close it quickly.
Job done!
2007-02-27 15:42:43
·
answer #2
·
answered by steve f 2
·
0⤊
0⤋
it sounds like it needs to be bled
basically the radiator has air trapped in it - the water is only filling the bottom and it is the water that heats it up
there is a little key you get which fits over the little bolt at one side of the radiator at the top
get a cloth and hold it on the radiator under the bolt then slowly and carefully loosen the bolt
you will hear a hissing as the air escapes
do not loosen the little bolt the whole way - just loosen it enough to let the air out
when water starts to bubble out start to tighten it again
then give it a few minutes before feeling to see if it is heating the whole way up now
it is easy to do - the cloth is essential otherwise the water could make a mess - it is dirty water and could look black when it starts to trickle out - i can do it so you will have no problems
good luck
i am so proud i could answer this!!!!
2007-02-27 15:36:18
·
answer #3
·
answered by Anonymous
·
2⤊
0⤋
It certainly sounds like it needs bleeding, I think most of the towel radiators have the valve on the very top, on the right side...at least my ones do. loosen it a little with a bleed key till the hissing stops....you must have a cloth ready for this because when the air is all out, the water follows. When the water can get to the top, it should heat throughout.
2007-02-27 15:56:24
·
answer #4
·
answered by Sunrise 2
·
0⤊
0⤋
The top of the towel rail is padded with and requires the air bleeding off so that the hot water can fill the space left by the removal of the air.
Obtain a bleed key, undo the square headed bleed screw that is positioned on the top of the radiator until air can be heard escaping, wait until water is escaping from the bleed screw and tighten bleed screw until water stops escaping.
2007-02-27 15:32:59
·
answer #5
·
answered by Web Foot 2
·
0⤊
0⤋
It may just need 'bleeding'.There is a small screw/nut at the top of the radiator.You can buy the specific tool for this at most hardware/diy stores for next to nothing.If you undo/unscrew this slowly, you may hear air being released. The pressure in your central heating system will push the air out and refill the radiator with water.Keep the air coming out until water comes out.As soon as water comes through re-tighten the screw/nut immediately.With any luck this should sort it?
2007-02-27 15:30:54
·
answer #6
·
answered by Anonymous
·
0⤊
0⤋
You've got an air lock in the radiator. The hot water is only getting part way up. Maybe you have a key in the house somewhere to sort it out.
If you dont, go to a DIY store and buy one. Its seriously not worth getting anyone out to do it for you.
It would be a serious waste of money.
These keys cost a couple of pounds at most.
2007-02-27 15:29:37
·
answer #7
·
answered by Bloke Ala Sarcasm 5
·
0⤊
0⤋
the problem you have is air in the system. you will need a radiator bleed key, at the top of the rad you will see a small square bolt inset. place your rad key over and turn anti clockwise, as you turn you should hear air releasing from the radiator. DO NOT UNDO FULLY, OTHERWISE YOU MAY GET SCOULDED WITH HOT WATER. have a rag to hand whilst bleeding, water will start to come out once the air has finished.
best of luck.
2007-02-27 15:50:29
·
answer #8
·
answered by Anonymous
·
0⤊
0⤋
It obviously needs bleeding - ie air is trapped in the upper half and must be released by using the key which should have been supplied with the radiator. If you don't fancy doing this -quite simple really - get your supplier to do it, which he should have done anyway after fitting.
2007-02-27 15:27:43
·
answer #9
·
answered by artleyb 4
·
0⤊
0⤋
there is a bleed screw at the back or side on top of the radiator which will let the air out and fill all the way with water
2007-02-27 15:45:04
·
answer #10
·
answered by Karina A 1
·
0⤊
0⤋