Lennox 17U20 Pressure Switch 320720-756 In a normally open configuration

In a normally open configuration

This critical OEM replacement part is a 1/4" NPT outlet thermistor designed to provide precision temperature data to the Smart System control module

Can I use this 2-pole HN52KC024 to replace a 1-pole HN51CB024

By regulating the frequency and voltage supplied to the motor

Lennox 17U20 Pressure Switch 320720-756 In a normally open configurationThe Lennox 17U20 Pressure Switch is a high precision sensing component engineered for critical monitoring in residential and commercial HVACR systems. This OEM Lennox 104371 10 replacement part is designed to actuate at 1. 00 inch W. C., providing essential safety interlocking for furnace draft inducer motors and air handling units. Built with a sensitive diaphragm and a robust SPST N. O. contact configuration, it ensures the electrical circuit closes