Lennox 75M22 Pressure Switch 322838-754 optimizing the furnace heating cycle

optimizing the furnace heating cycle and reducing fuel waste

This ignitor and cable assembly is the standard replacement for many Modine units using DSI

Always cross-reference the model number on the unit data plate

or specific fault codes on the control board or thermostat indicating the sensor is out of its calibrated resistance range

Common Questions What is the function of the York S1-025-26354-002 in a system

Lennox 75M22 Pressure Switch 322838-754 optimizing the furnace heating cycleThe 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