Recent content by jimmill

Thanks to the helpers. The gas guy talked me through a final analysis and it proved to be the 3 port valve at fault. Fixed now. Cheers. Jim M

Hi folks. I wonder if anyone here can make a suggestion what to try next. I posted a while back about a faulty mainboard in my Gloworm Ultimate fan assisted boiler (about 12 years old). Following advice, I got an engineer in who decided that it was indeed the board and bought me a new one...

What I was tapping is the smallish zinc plated box hanging under the main booiler housing. The only control on it is the on/off/temp control. As I said, doesn't matter what that is set at, but the tap thing makes it work every time. I'll turn off the Juice and have a look inside...

Hi. Are we talking about the same thermostat here? The one in the boilers box, or the one in the hallway of the house? The latter one makes it turn off OK. Do you think that is missing a connection in the boilers switch box? I was wondering if it might just be dirty contacts in the...

My glowworm has developed an annoying fault. When it cycles off for the thermostat, or overnight, it won't light automatically. However, a very gentle tap on the switch housing brings it back to life. (I really do mean a gentle tap - not a big 'ommer). Any idea what it might be. Don't...