The 1210F-5R6K-01 is a temperature control device manufactured by Fastron. It is an analog electronic thermostat designed
for controlling electrical or electronic devices in a wide range of applications. The device features a variety of features, including an adjustable differential range, modulated output and LED indication, wide operating voltage range of 8-24V, and a small 2-point footprint. The device is suitable for use in a variety of applications including heating, cooling, and humidity control.