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Thanks. It works and heats up like a bonfire! The valve in the second photo was closed, it wasn't stuck- I just didn't know how to open it. Ah, the learning process...Thanks to everyone for their help.

I turned off most of the other radiators in the house and then turned on the heating. The system is pressurised almost to its highest limit. I opened up the valve using a large allen key and it started dripping black water almost immediately. I have no idea how to open up the valve in the second...

Thanks for your detailed guide. I will check it out tomorrow when I have more time. I have edited my post so that my photos are now showing. Thanks.

Sorry, any help will be gratefully received.

Hello, I am re installing a towel rail and it just doesn't seem to be heating up! I have bled it until there was water spitting out of it and so I presume that it is full of water. It seemed to get warmish and then it lost heat again- possibly as I was bleeding the rail. There are two...

Hello, I have a Vaillant EcoTec 637 system boiler installed and the heating is controlled by a VRT30 wired thermostat. I want to change the thermostat to a wireless configuration using the Salus RT500RF. I have a wiring question. The VRT has three wires connected to it from the boiler and I...