Folks just to let you know that this did the trick. I still have some thermostat issues (I think) with my boiler as its exhibiting the same wierd behaveiour it did with the old controller attatched. The main thing (I guess) is that I can rule out the old thermostat / receiver etc...now ;)
I am...
Hi Stem, thanks so much for replying, and apologies for confusion: Seeing the help you have given other folks on the forum I really appreciate it.
I have the following: Its in its untethered state as I am trying to replace it so forgive the mess:
I would be replacing both the old potterton...
I am sorry if I am duplicating posts here but had a look and cant quite see what I am after.
I have a old potterton E4000 series controller that I want to replace with a hive unit. I have a combi boiler (Potterton Promax Series). I have ordered the appropriate hive unit. Whats thrown me a bit is...