Chronothermostat ELECTRONIC DIGITAL WIRELESS from SUPPORT. Wireless at a price of a traditional chronothermostat. No need for electrical connection to the boiler. SUPPORT innovative system. The temperature control is done at the point that we consider most important in the house and control the boiler is in radio. Without having to pull electric cables and masonry. Large backlit display. 4 levels of temperature. With alarm function. For fire-conditioning and heating. Power supply batteries.