York S1-025-38412-000 Auto Limit Switch 100°F-125°F

The York S1-025-38412-000 Auto Limit Switch is a temperature control component designed to monitor and regulate operating heat levels within equipment. It operates within a preset range of 100F to 125F, automatically opening or closing electrical contacts based on temperature changes. This allows maintain controlled thermal conditions inside heating and air movement assemblies within HVAC systems. It is typically placed in furnace sections, blower compartments, and heat exchanger zones where secure temperature levels must be maintained during continuous operation. In systems, it is used to support proper regulation and stable operation of system controls during regular equipment use.