Copeland Comfort Control (White Rodgers) 3L09-17 Limit Switch Technicians should inspect the gasket

Technicians should inspect the gasket during any burner assembly service

Automatic Reset Function: Restores system operation automatically without requiring manual intervention after a high-temperature trip

extending the service interval

The 45/5 MFD rating must remain identical

Ensure the switch is opening or closing at the designated 45

Copeland Comfort Control (White Rodgers) 3L09-17 Limit Switch Technicians should inspect the gasketThe White Rodgers 3L09 17 is a board mounted 1 2" bimetal disc limit switch engineered for precision thermal protection in HVAC systems. Designed with an open on rise switch action, this fixed setting temperature control features a 250F fixed open temperature and a 225F fixed close temperature, providing a 25F differential crucial for preventing high limit excursions and equipment cycling issues. This auto reset limit switch utilizes a 3. 12"