Is it normal for a digital programmer on a fully pumped open vent system (with a heat only boiler, three way valve, tank stat, central heating stat) to require central heating and hot water to be called for at the same time for the central heating to work?
Or should they work independently when requested on the programmer?
I had a full page explanation typed out, but I decided to go with the distilled straight to the point question.
I have more details if needed and if my question is not clear.
Or should they work independently when requested on the programmer?
I had a full page explanation typed out, but I decided to go with the distilled straight to the point question.
I have more details if needed and if my question is not clear.