Lochinvar & A.O. Smith 100208570 High Limit Control 175°F

The Lochinvar & A.O. Smith 100208570 High Limit Control is a temperature-safety device applied to water heaters and boilers to avoid overheating. It works by checking the water temperature and automatically cutting the system when its temperature reaches 175°F. Such high-limit control is critical in ensuring the efficiency of commercial and residential HVAC systems and also preventing the equipment from overheating and causing more loss. Its greatest advantage is enhanced safety and reliability of the system, meaning that there are less chances of an accident or need for repairs.