Lochinvar & A.O. Smith 100111075 Controller SUF 120,100 Series

The Lochinvar & A.O. Smith 100111075 Controller SUF-120-100-Series is a control module for water heaters and boilers. It controls temperature, checks on the performance of the system, and has diagnostic capability for proper running. This controller is very useful for the proper control of water heating and is widely-used in commercial HVAC systems, particularly in hot water supply. Some of the advantages include increased energy conservation and control of heat, safety in that it can detect an error and prevent the water heater or boiler from operating for a longer time.