Let's see if I can describe this properly. The ensuite is on the other side of the wall from the main bathroom. Both toilets are on the outside wall of the house and are connected by an almost level length of soilpipe whch connects into the soil stack immediately after the pipe from the main...
Thanks for that, Mick. Now - today, the CH went off at 830 and by 10 it was getting a bit chilly. So I pressed the advance on the programmer and it came back on. Went off again about 11 and I couldn't get it to come back on - moved the stat up a bit (heard it click) but zilch from the boiler...
Can someone advise me, please? My system is getting on a bit and has started behaving erratically. I have an Ideal Elan 20 boiler, conventional cylinder, roomstat in the hallway, and a fairly new programmer. The diverter valve is in the airing cupboard above the pump and has a lever sticking...