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it mounts directly to the motor shaft for maximum power transfer and reduced mechanical failure points
potentially allowing the furnace to overheat before the safety circuit activates
For larger loads
ensuring operational stability in demanding HVAC/R refrigeration systems
Lennox 69W55 Pressure Switch 323055-751 it mounts directly to theThe 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
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