Lennox 75M22 Pressure Switch 326058-757 or monitoring residential heating equipment

or monitoring residential heating equipment

Is the 100109636 compatible with 240V systems

Industrial Build: Features ball bearing construction and internal thermal protection to prevent burnout during voltage fluctuations

The Counter-Clockwise (CCW) rotation and 1/2-inch diameter flat shaft provide a direct mechanical fit for hundreds of model variants

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Lennox 75M22 Pressure Switch 326058-757 or monitoring residential heating equipmentThe Lennox 75M22 Pressure Switch is a high precision OEM replacement part engineered for critical airflow monitoring in specific Lennox and Armstrong furnace models, including the G61MPV series. This dual pressure switch is factory calibrated with settings of 0. 50" and 0. 75" WC, ensuring the combustion air inducer maintains the correct static pressure for safe ignition and continuous operation. As a single pole single throw (SPST) component, it