The Drayton room thermostat provides accurate temperature control with a simple dial interface. It is suitable for 2 or 3 wire combination / conventional boilers, and ideal for 2 or 3 wire retro-fit applications. Compact at 86mm square, it's compatible with most heating systems and helps manage energy use efficiently. This thermostat has a current rating of up to 6A and comes with an 18-month warranty.