Lennox 10M77 Limit Control 320788-703 this assembly includes the integrated

this assembly includes the integrated hub and necessary set screws for immediate installation on a standard 1/2-inch HVAC motor shaft

intermittent loss of communication with the thermostat

Key Benefits for HVAC Professionals Direct OEM Compatibility: Guaranteed fit and function for specific Carrier

moisture accumulation in the sensing lines

What is the primary application for this 230V model

Lennox 10M77 Limit Control 320788-703 this assembly includes the integratedThe Lennox 10M77 Limit Control (part number 10M7701) is an OEM standard L150 40F snap disc safety switch engineered for high performance thermal regulation in residential and commercial furnaces. This high limit cutout opens the circuit at 150F and features a 40F differential, ensuring the heat exchanger remains within safe operational parameters to prevent structural fatigue and secondary damage. As a critical HVAC safety component, this fixed