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moisture accumulation in the sensing lines
intermittent loss of communication with the thermostat
What is the primary application for this 230V model
this assembly includes the integrated hub and necessary set screws for immediate installation on a standard 1/2-inch HVAC motor shaft
this unit is fully weatherproof and corrosion-resistant
Lennox 10M77 Limit Control 320788-703 moisture accumulation in the sensingThe 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
