I don't know if one can be fitted. its auite an old system. I thought that the boiler stat would control the temp of the water in the system as you say, so it would stop the rads getting too hot?
James Frew engineer said that the new programmer was sending a better signal to the valve than the old programmer. current is current in my book. Thats why I think it's the boiler stat, but it will cost me £50 for them to come out to confirm this. IMO when the engineer fitted the new...
Hi folks,
I have a baxi bermuda back boiler, and last week I had the potterton programmer replaced with a Danfoss CP715. Now when I run the heating after 20 minutes some of the radiators are very hot, so i only run it for half an hour. This never happened when the potterton programmer was in...