Some of the valves were turned off (prior to draining) but they've all been turned back on again. The boiler is a an Ideal Standard Icos m3080. I don't know how to check the air pressure in the expansion vessel as there's no gauge (only gauge is on the pipes). Had a go a bleeding this morning...
Just had a replacement radiator fitted to our fully pumped system (for which it was completely drained down) and now I can't get the system to refill. I've had all the rad bleed valves open and tried refilling through the mains connection (pressure gauge went up to 4Bar) but the rads seems to be...