Thanks for the respose!
so putting the thermostat on the switched live is using it like a switch... :)
The current room stat is some form of Eberle and my feeling is that it should be repalced - it appears to have a live (1) neutral (2), earth (E) and a second neutral (4).
If this was...
Hi all,
First post!
looking to add a room stat to a Potterton Promax FSB 30HE. There is one in the wall presently but it is not connected (3 core). The system is pumped open vented with the pump wired into the 4 core Boiler Connector. No separate HW/CH or anything fancy like Y/S plan...