:D
Problem Solved.
I took the radiator off to check the valves and the ends of the radiator were bunged up with silicone.
I had put plumbers silicone seal on the threads for extra sealing.
Obviously when I screwed the valves in, all the silicone travelled to the end of the thread and bunged...
Thanks for quick response.
The old radiator was longer than the new cast iron one. So basically I extended the original pipework. I also renewed the return pipework at the joint for aesthetic reasons.
The heating system is vented.
I have purchased and fitted a new cast iron radiator in the same location as the previous radiator, with some minor piping alterations.
The existing central heating system uses a gas boiler heating a hot water tank upstairs.
My Problem :
When I turn the heating on this is the only...