Still trying to understand Nest and wiring.
I now know I need 2 new 2 port valves and a new cylinder stat.
The Nest 3rd Gen wiring for an S-Plan system shows 3 wires to both of the 2 port valves labelled O, GR, and BW - Can someone give me an example of a suitable valve?
I currently have a Honeywell Smartfit connected to on oil boiler/pump in an S Plan arrangement, works well but the programmer has started to play up and I would like some more smart control.
I am thinking about getting a Nest and I know it is not directly upgradeable from Smartfit.
The CH is...
I already have contacted an expert - I just like to have some understanding of what is wrong.
The house is 15 years old, but I have recently had to have the burner replaced, it is more efficient and I think that means more condensation going up the chimney, the chimney now cannot cope with the...
The chimney on my oil burner is showing considerable condensation. I am not an expert, but I assume that I need a metal flue liner installed, the chimney is 6 inches in diameter, is it simple case of putting a 5 inch flue liner inside the existing 6 inch chimney?