A thermostat controller for a heater is typically a device used in heating systems to monitor and control the temperature of an enclosed space. This device can be used in various applications such as commercial, industrial, residential or environmental applications. It works by measuring the temperature of the space and using this information to adjust when heaters are switched on or off to maintain a desired temperature. The thermostat controller allows users to set the desired temperature at which they want the enclosed space to be heated, and the device will then continually monitor and regulate the space’s temperature accordingly.