I did try putting the valve to manual and when I pushed the lever to the heating position it blew the 3Amp fuse for the system... So you might be right.
What should I get in the way of readings if I meter it out?
Hi,
I wonder if anyone can shed some light on my little problem.
If the hot water is on with the heating off I get hot water to the tank, if the heating is on and the hot water off I get hot radiators. If at anytime I turn on both the hot water and heating the boiler quits and I have to...