T T tonyjones1 6 Jan 2010 i am trying to change my potterton room thermostat that has a red/yellow and blue wire to a honeywell dt90e that is only a 2 wires a live and neural has anyone got any ideas
i am trying to change my potterton room thermostat that has a red/yellow and blue wire to a honeywell dt90e that is only a 2 wires a live and neural has anyone got any ideas