The Sterling HVAC 11J11R04457 Freeze Stat is a critical safety device designed to protect HVAC systems from freeze-related damage. By monitoring temperatures, it prevents coils or pipes from freezing by triggering system shutdowns or alerts when temperatures drop too low. This freeze stat is especially useful in colder environments where HVAC components are vulnerable to freezing, ens... https://www.partshnc.com/11j11r04457-sterling-hvac-freeze-stat