Thanks so much! It does seems to have a mind of its own, works one minute now, then turns itself off - then works again and again then NOPE!! Our landladies plumber said they are a bit rubbish and he will replace it!!
But for now I have heat- occasionally!!! LOL
Ok so I have the above with a DT20 programmer on the boiler, the thermostat reciever next to the boiler, and the thermostat unit in my hall way.
Recently it has become cold enough for me to put the heating on- problem is- I cant!! Well ok thats not strictly true, I can but only during the...