I have one radiator ( towel heater) on the system that remains cold when the others are hot, This is a preliminary post, so I have to do a thorough investigation. I have yet to check the pump, flush the system, flush rad etc. The system is an open vented system.
The radiator is downstairs, the other downstairs and all upstairs rads are hot, there are 4 rads inclusive on the system. The rad was put in about 7 years ago and is a bit of a DIY job ( not by me). Unusually both pipes leading into the rad get warm but the rad itself does not. I can't see the feed pipes as they are enclosed. The heater rad has never worked. The valves are both open, they are both lockshield type, not TRV.
The rad can be made warmer if it is bled continuously for a while so that the warm water enters the rad.
If anyone has a good idea of what could be wrong i would appreciate their opinion. Thanks
The radiator is downstairs, the other downstairs and all upstairs rads are hot, there are 4 rads inclusive on the system. The rad was put in about 7 years ago and is a bit of a DIY job ( not by me). Unusually both pipes leading into the rad get warm but the rad itself does not. I can't see the feed pipes as they are enclosed. The heater rad has never worked. The valves are both open, they are both lockshield type, not TRV.
The rad can be made warmer if it is bled continuously for a while so that the warm water enters the rad.
If anyone has a good idea of what could be wrong i would appreciate their opinion. Thanks