Cold Radiator

[tatters40]

Hi all

I know this topic comes up regular but I've searched and am struggling to find an answer

I have a double panel radiator in my dining room which has always required some manipulation to get warm. Unfortunately whatever i do it won't warm up.

I've shut off all the rads upstairs except the bathroom which i hoped would force the water downstairs to the cold rad. Unfortunately this had no effect, i then closed other downstairs rads one by one (keeping the bathroom radiator open as it has no TRV) still no effect.

Has anyone any thoughts, i would have expected the water to be forced to the cold dining room rad not just circulate around the remaining 1/2 open radiators. No air in the rad and i have flow to it when i open the TRV.

TRV and Lockshield just replaced

Can someone help please

 

[JohnD]

Completely turn off ALL the other radiators. Do either of the pipes on the cold one get warm?

Have you got a hot water cylinder? Is it surprisingly hot?

 

[CBW]

What type of system? Has it been balanced?

 

[tatters40]

Hi all, thanks for assistance, after 45 mins, with just the bathroom and this cold rad open it started to play ball

 

[JohnD]

45 minutes is suprisingly long.

Isn't it faster if you turn off the bathroom rad?

Tell me about your cylinder.