Lennox 69W55 Pressure Switch 323055-751 Multiple inlet options with three

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

ensuring operational stability in demanding HVAC/R refrigeration systems

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

For larger loads

Lennox 69W55 Pressure Switch 323055-751 Multiple inlet options with threeThe 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