The thermostat is designed to give you accurate and precise temperature control that is easy to program. The SunTouch 500850-SB SunStat Command Touchscreen Programmable Thermostat is designed to work with any heating system that has a voltage of 240V. The thermostat gives you a range of programmability options that can be easily set up. The device is ideal for home improvement and is perfect for controlling the temperature of your home.