The Heatmiser DS1 is a 230v electronic room thermostat ideal for conventional or combi-boiler systems. This thermostat is used in conjunction with a separate programmer.

This thermostat is an electronic dial thermostat, offering greater control when compared with standard bi-metallic thermostats.

• Power On & Heat On Indication
• Modern Apperance
• Easily increase or decrease the required temperature
• Variable Switching Differential
• Built In Air Sensor

Important Note:This thermostat does need at least 3 wires to operate (Live, Neutral and Switch wire) Please check your wiring and the manual download to ensure your system is compatible.