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

Built for heavy-duty furnace motor mounting

This field-serviceable Rotalock valve features a robust brass body and a sweat-to-thread configuration

30VA Efficiency: Optimized for low-voltage relays and controls without excessive footprint or energy waste

contractors can maintain system pressure ratings and prevent bypass leakage

potentially allowing the furnace to overheat before the safety circuit activates

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