Recent content by powerjohn

Well, the d--n thing has cured itself before I could find any fault - I do hate that. But thanks again to everyone who tried to help. If it ever happens again I'll have plenty of remedies.

Some good ideas there, jobloggs - thanks! I'll try them asap. I suspect that the cold overflow was being caused by high water level in the F&E tank flooding the float valve and not letting it close. Rads are all open and system was powerflushed about 30 months ago; all rads heat well, so I...

Kevplumb has it right (ish) - it's a standard gas boiler in a case on the wall. But I still can't work out what "floer" is!

Hi, everyone. In the past few days my primary (smaller) feed tank has started to overflow hot water when I run hot water. Investigating in the loft, I found hot water coming in through the vent pipe. Also, running the cold water (e.g. flushing or using kitchen tap) makes cold water flow in at...