Set up to replace Drayton Digistat 2 & hall radiator control.
I am looking to upgrade my heating system by replacing my programmer in the hall with a wired smart thermostat V3. I intend to fit smart rad stats though my radiator in the hall has no stat. Will I need to add one or can just the hall be controlled by the smart thermostat. There is a radiator on the landing (open space to lower hall) FYI.