Description
The Resideo L4064B2210/B 11-1/2″ Fan and Limit Controller Insert is a temperature-control component used in furnace and air-handler HVAC systems. It works by detecting the temperature variation and turning on the blower fan when the heat is too high, as well as turning off the system when the temperatures are beyond the safe range. The insert is used to fit in the controller housing and offer stable thermal monitoring without any external housings. It is typically installed in residential and commercial forced-air heating equipment and is wired in the safety and control circuit of the system, assisting HVAC systems.
