Lennox 17U20 Pressure Switch 320720-756 Can I use this 2-pole

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

a different OEM part number must be used to ensure correct orifice sizing and pressure regulation

or emergency troubleshooting when power is unavailable

protecting the motor bearings from premature wear

Perform a phase-to-phase resistance check on the motor pins

Lennox 17U20 Pressure Switch 320720-756 Can I use this 2-poleThe 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