Lennox 44L72 Limit Switch standard replacement fan blades generally

standard replacement fan blades generally include the necessary hub set screw for securing it to the motor shaft

Common Questions & Technical Insights How do I test a York limit switch for failure

reducing installation downtime

If the inducer is running but the SPST switch won't close

With its RunLink Remote Monitoring capability

Lennox 44L72 Limit Switch standard replacement fan blades generallyThe Lennox 44L72 is a high precision 100 145F Auto Limit Switch engineered for critical temperature regulation in commercial and residential furnaces. As a veteran technician knows, the secondary limit must respond instantly to airflow restrictions or over temperature conditions to prevent heat exchanger damage. This Lennox blower limit switch features an automatic reset, opening the circuit when the temperature exceeds 145 degrees Fahrenheit and