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Tried to get it to 1.5 bar as suggested by DIY manuals. I assume that it went beyond this due to the dripping. However, I assume the pressure had dropped to zero this morning although I couldn't get to the boiler as my lodger was sleeping at the time. Cold showers all round! If I set it...

I reattached a radiator last night as I had been doing some painting behind it. However, once I had done this the pressure in the central heating system dropped to zero. I then increased the pressure in the system by opening slightly the cold water tap to the combi boiler and closing it...

Cheers for that.

I've an Ariston Combi-boiler which was installed in 2000 by the previous owner of my house. The problem with the boiler is that I cannot get hot water unless the central heating is running. Turning on a hot tap without thew central heating on has no effect on the boiler, and it does not come...