Recent content by simon i

many thanks, the heating side works fine, rads cut off when room stat reaches temp etc. the problem is that they get hot when HW comes on even if room stat is set to minimum.

HELP!!! I have a siemens 3 port mid position valve installed in my system. I have an RWB9 timeclock. Its never worked properly since the day i moved in. It appears that when the system calls for heating the radiators always get hot. this is causing me a nightmare. I would benefit from...