Supco SHL519 Plenum Limit Thermostat 155°F-125°F

The Supco SHL519 Thermostat is a temperature control component set to operate within a 155F open and 125F close range. It responds to air temperature changes by switching electrical continuity based on preset thermal limits. This part is commonly mounted in furnace air handling sections and duct-mounted control areas where temperature monitoring is required for regulated operation. It is positioned to sense heated airflow conditions and assist in maintaining controlled system cycling. Within HVAC systems, its compact bimetal construction allows straightforward placement in compatible control assemblies.