The Lennox 20A84 Bearing is a critical HVAC blower motor component designed to sustain rotary motion and minimize friction within commercial and residential air handling units

replacing an 850 RPM motor with a different speed can lead to improper head pressure and potential compressor damage

including the D4120 and D2E models

System Longevity: Helps prevent compressor damage by ensuring only superheated vapor returns to the suction side

This unit is engineered to step down a 480V primary voltage to a stable 24V secondary voltage

Mueller Industries B34580-180 Valve R-134A The Lennox 20A84 Bearing isThe Mueller Industries B34580 180 is a high performance pressure relief valve engineered for critical vapor and liquid receiver applications in industrial refrigeration systems. This HVAC relay valve features a robust brass body construction to withstand harsh environmental conditions and prevent corrosion during long term field use. With a 1 5 8 inch NPT inlet and a NPTFI outlet, it provides a secure, leak proof interface designed to handle a maximum