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Thanks for all the advice. I have used soldered joints for the pipework upto the radiator valve and used a copper pushfit joint to connect the pipe to the existing central heating pipe. Much neater job. Cheers....John :D

I have some slightly dripping compression joints, they wont tighten anymore and they need replacing. When I drain the system, I would like to replace them with pre-soldered elbows. I heared a rumour that it is not a good idea to use pre-soldered joints on pipework that still may contain a...

Radiator is still hot this morning. Thanks for your advice. Cheers... John :D

Thanks for the advice. I've drained the radiator and ran both taps into buckets until they both ran hot water. Put the radiator back on, and touch wood, it has stayed hot. I will wait and see what happens in the morning when the heating has been off overnight. Just a quick point, how...

Having read some of the other forums on cold radiators, I had better add that the radiator in question has a balance valve on one side and a small square type nut on the other. The radiator is now stone cold whilst all the other radiators are very hot Any more help will be much appreciated...

I have just flushed the radiator out with a hose pipe. This cleared out a lot of black gunge, I ran the pipe til the water ran clear. I have replaced the radiator, bled the air out, it got warm for a few minutes at the top, and went cold again. I have increased the boiler temp, but I don't...

I have recently drained my central heating system to add a new radiator in the kitchen. The radiator is a single (600x700mm). When I refilled and bleed the system, one of the radiators has stayed cold whilst the other get hot. This radiator has been bleed but all that comes out is cold water...