Manual Thermostat with Dial- For Use With Radiant PanelsThe Flexel Manual Thermostat with Dial is a simple, non programmable control device designed specifically for use with electric heating systems like radiant panels or underfloor heating. For simple control of infrared heating panels in commercial applications. Bimetal technology with heat anticipator for high precision. Planning heating controls or smart temperature zoning? Our Heating Thermostat Guide explains floor sensors, air sensors, smart