Hi, I’m looking to replace my potterton prt2 thermostat with with a digital Honeywell DT90E
If anyone can give me advice on the wiring (which goes where) and if there’s anything I need to be careful of I would be very grateful.
Hopefully I’ve added the pictures of old and new correctly.
If anyone can give me advice on the wiring (which goes where) and if there’s anything I need to be careful of I would be very grateful.
Hopefully I’ve added the pictures of old and new correctly.