White-Rodgers 3L09-7 Heating Limit Control

White-Rodgers 3L09-7 Heating Limit Control is a trusted safety device for heating systems, delivering reliable temperature protection with Therm-O-Disc technology. Engineered for board mounting, this 3.12 inch unit uses a 1/2 inch bimetal disc to accurately sense temperature and switch off at the programmed limits.

• Therm-O-Disc technology: Type 36T, Style 612711, with a 1/2" bimetal disc for fast, repeatable trips.
• Board-mount design: Compact 3.12" length for easy integration in tight control panels.
• Voltage compatibility: 120/240/277 VAC (resistive); 120/240 VAC (inductive) for versatile heating applications.
• Temperature settings: Open at 175°F and Close at 145°F; panel setting on the unit is L175-30F.
• Electrical ratings: Current up to 15A at 120 VAC; 13A at 240 VAC (resistive/inductive); 34.8A locked-rotor at 120 VAC; 13A locked-rotor at 240 VAC (inductive).

Designed for furnaces, boilers, and HVAC control panels, this White-Rodgers limit control delivers durable thermal protection and dependable performance for safer, more efficient operation.