Lennox 10B72 Motor Module 320788-704 ensuring the furnace high limit

ensuring the furnace high limit protection circuit functions according to factory specifications

Can this be used as a fan cycle control

The internal diaphragm mechanism is sensitive and will be damaged if exposed to liquids

allowing for precise airflow management in varying ambient conditions

Lennox 10B72 Motor Module 320788-704 ensuring the furnace high limitThe 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