Radiators

[Leigh Blount]

Not all my radiators are working properly.. some are hot at the top and cold at the bottom.. the first radiator is very hot out of 4 radiators only 2 are working properly

 

[Return to the Shed]

use a key to bleed them all, (turn key a quarter turn until you have water dribbling out. (have a rag handy)

that should solve most of the issues.


do you have trv's? if so the pin might be stuck, take off and clean it/fiddle with it. and connect up again.

if these don't help let us know...

 

[D_Hailsham]

Not all my radiators are working properly.. some are hot at the top and cold at the bottom.. the first radiator is very hot out of 4 radiators only 2 are working properly

If the radiators are hot at the top, then they do not need bleeding. Radiators which are cold at the top need bleeding.

Your problem is more likely to be that the system is not balanced. This means that the rads nearer the boiler/pump are getting more than their fair share of the heat. so there is nothing left for those at the end of the line.

Do you have TRVs on your rads, if so then you should read:

Commissioning Instructions for Radiators with TRVs

If you do not have TRVs, try closing down the lockshield valve, the one under the plain cap. This will reduce the flow through the radiator, allowing more to flow to the other rads, and increase its temperature. You will find that the lockshield on the rad nearest the boiler/pump should be nearly closed and open more as you get further away.

There are more detailed instructions on the net about Balancing Rads; a Google should find them.