Reznor 123976 Fan Control Assembly W/Bracket F1 35°F-40°F

The Reznor 123976 Fan Control, also known as the F135-40F W/Brkt, is an essential component for controlling airflow in a variety of HVAC systems. With this fan control, which doubles as a switch and thermostat, you may manually change the fan's speed or program it to operate at a specific temperature on its own. Typically used in air handlers, furnaces, and unit heaters, the control has an easy-to-install bracket. Opt for your desired fan speed manually to guarantee personalized comfort, with a range of options available to choose from. In automated mode, the integrated thermostat saves energy and minimizes noise by monitoring the ambient temperature and only turning on the fan when needed to maintain the desired temperature.