Top Floor Radiators Cold
Another common cause for a cold radiator is a stuck valve.
Top floor radiators cold. I have tried bleeding the top floor radiators they all have water in. To check if this is the case remove the rotatable head to. This is often the case if the problem is with an individual radiator. Why radiators get cold at the top.
As from a cold start all 5 radiators on floor 4 heat equally quickly and within about 2 minutes all are piping hot i wouldn t have. Because water is about 900 times denser than air even if the air is under a small amount of pressure the air will always float to the top. There are 5 radiators on the top 3 floors and 3 on floor 1 all using 10mm copper pipe. The top of the radiator is cold.
We have recently installed bigger three column radiators on our ground floor which work fine as do the radiators on the second floor. If the top of your radiator is cold it s possible that there is air trapped within the system. However we recommend contacting a qualified engineer if you feel unsure about conducting the job yourself. The thermostatic valve usually a white control directly beside the base of the radiator controls the flow of hot water to the radiator but from time to time can become seized often simply due to age.
If you find that your radiator is heating up nicely at the bottom and yet the top of it remains cold the chances are you have air trapped in the system. An effective way to release it is by bleeding the radiator which is a simple fix that can be done in minutes. The commonest and most likely reason for a radiator being cold at the top is trapped air. Larger pipe runs from boiler to airing cupboard and boiler and from pump into bottom of cupboard to go to radiators.