Ensuring your system operates above this threshold is critical to prevent valve chatter

Rugged 40VA Capacity: Sufficient power overhead to handle modern communicative thermostats and multi-stage relays

Engineered specifically for HVAC blower flange applications

Engineered for compatibility with specific Goodman and Amana gas furnaces

Lennox 44L72 Limit Switch Ensuring your system operates aboveThe 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