The Heatmiser DT-B is a Battery Powered non programmable digital
room thermostat, ideal for conventional or combi boiler systems. This
thermostat can be used to replace a mechanical thermostat and is
designed to work along side a heating programmer.
Compatible with 2 Wire Systems
Automatic blue back light (Turns off after 30 seconds)
Key Lock Facility
Easily increase or decrease the required temperature