By monitoring discharge air temperature

Is this a high or low pressure switch

ensuring a dense

If your voltmeter shows 24V entering the switch but 0V leaving while the inducer is at full speed

this specific model is an AC solenoid coil rated for 208V to 240V

Lennox 25W67 Fan Blade Els PW 17895 By monitoring discharge air temperatureThe Lennox 25W67 is a critical OEM replacement fan blade designed for heavy duty performance in high tonnage condensing units. This 24 inch, 3 blade assembly features a precise 24 degree pitch to optimize static pressure and maintain specified CFM ratings across heat exchanger coils. Engineered with a durable galvanized steel spider and riveted aluminum blades, the 25W67 fan blade ensures balanced rotation, minimizing motor bearing wear and vibration