Description
The Emerson Climate-White Rodgers 3L01-120 Snap Disc Limit Control is a temperature-responsive safety component. It is mounted on furnace surfaces or duct sections where it monitors operating heat levels during system cycles. The control opens at a 120F cut-out and resets at 110F cut-in, manage heat boundaries within the equipment. In HVAC systems, it operates as a protective element that assists in preventing excessive heat buildup while supporting controlled restart conditions. It is commonly used in furnace applications to maintain safe thermal operation.









