Hi all,
Literally on the brink of divorce I have spent so much time in the cupboard this weekend.
System is y plan, boiler is a potterton netaheat with a live & switched live.
This diagram best shows my set up now.
On the nest
L - main live
N- main neutral
1-
2-jumper from main live
3- 5...
Hi
No expert here sorry!
Just brought my Honeywell set over to my new house and want to replace the Horstmann that's here.
Honeywell had 2 com wires and a 240v feed on my combi boiler but in the new place the Horstmann just has 3 wires.
I'm not sure I understand the earth at all...