The Lennox 98L78 is a comprehensive 18-piece assortment that simplifies field repairs by providing multiple lengths: (6) 9-inch tubes

making OEM sensor replacement necessary to restore HVAC system reliability

Using this OEM Armstrong pressure switch ensures the safety circuit operates exactly at the -

Key Benefits Universal Voltage Compatibility: The dual voltage ECM motor operates seamlessly between 90V and 240V

Verify the inducer motor is pulling a sufficient vacuum using a manometer

Heat Controller 802400400552 Outdoor Motor 326058-756 The Lennox 98L78 is aThe Heat Controller 802400400552 Outdoor Motor is a critical OEM replacement part designed for condenser fan applications in high efficiency cooling systems. This 35W condenser motor utilizes a 4 pole design to deliver consistent RPMs, ensuring balanced static pressure and optimal heat rejection through the condenser coils. Engineered for a 208 230V power supply, this motor is built for the rugged duty cycles typical of residential and light