Technicians rely on this refrigeration temperature controller for its rugged construction and precise dual stage thermostat functionality in demanding environments

As a direct replacement for 41W51

Technical Specifications: Measures 25 inches in length by 28

you should always check the serial number of your unit against the manufacturer’s parts list to confirm a match

Lennox 39L06 Limit Switch 320788-702 Technicians rely on this refrigerationThe Lennox 39L06 Limit Switch is a critical safety component designed for precise thermal regulation within residential gas furnaces and air handlers. Engineered as a normally closed (NC) electronic switch, this OEM Lennox replacement part is calibrated to open on a temperature rise at 210F, effectively breaking the heating circuit to prevent heat exchanger damage or hazardous rollout conditions. featuring a 7 inch insertion length, the 39L06 provides