Lennox 69W55 Pressure Switch 323055-751 Built for heavy-duty furnace motor

Built for heavy-duty furnace motor mounting

potentially allowing the furnace to overheat before the safety circuit activates

making it suitable for high-demand industrial make-up air heaters and process drying equipment

For larger loads

Multiple inlet options with three drain holes allow for versatile piping configurations in tight mechanical rooms

Lennox 69W55 Pressure Switch 323055-751 Built for heavy-duty furnace motorThe Lennox 69W55 is a critical two stage pressure switch engineered for precision airflow monitoring in high efficiency gas furnaces. Specifically designed as a Lennox OEM replacement part, this 102737 03 switch features dual set points to support staged heating operations: a high pressure set point of 0. 55" W. C. and a low pressure set point of 0. 20" W. C.. As a furnace safety switch, it functions by verifying that the inducer motor is creating