WooHoo!!! :D You are all genii (plural of genius? - either that or you all live in bottles :twisted: )
Took a bit of fiddling (tap popped out again as I had not screwed it in far enough - so I'm a bit damp as a result). Interestingly a tiny circular rubber grommet came out along with a tiny...
Ok, will try the valve thing now before I head to bed, and I'll dig out the bike pump tomorrow if I have no luck tonight and give that a try (otherwise I have to go out in the cold, dark, wet outsideness!)
Back in a few minutes!
That ties in with my suspicions (does the poorly documented item at the following link look appropriate? http://www.heatandplumb.com/acatalog/Filling_Loop.html#aHP_2dLOOP1 - linked from previous page on 24cxi; http://www.heatandplumb.com/acatalog/Glow_Worm_24_CXI_Heat_Pack.html)
Yes, am handy...
The pressure on this had dropped slightly anyway (to just under 1.0 bar), and after the summer we used the system with no problems. However today we bled the radiators and the pressure dropped to < 0.7 bar, red light came on and boiler cut out.
However, it should be as simple as turning the...