Lennox 44L72 Limit Switch providing the consistent ignition performance

providing the consistent ignition performance required by professional HVAC contractors

Can the FUS2534 be manually reset

and VS820/821 series valves

This switch is an OEM HH19ZH195 part

Lennox 44L72 Limit Switch providing the consistent ignition performanceThe 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