Lennox 10B72 Motor Module 326058-757 mercury-free mechanical controller engineered for

mercury-free mechanical controller engineered for 1 stage heat only applications

also identified by part numbers 53080 and 63262

maintaining the correct temperature rise across the heat exchanger

the 1057251 furnace relay provides reliable HVAC contactor performance

For high-accuracy readings on small motors

Lennox 10B72 Motor Module 326058-757 mercury-free mechanical controller engineered forThe Lennox 10B72 Motor Module is a critical ECM blower motor control component designed for precision airflow regulation in residential and light commercial HVAC systems. As a veteran grade OEM replacement part, this module interfaces directly with the system's furnace control board to modulate motor speeds based on real time thermostat demand. It is engineered to handle constant torque applications, ensuring consistent static pressure performance