Lennox 24B71- Lennox 622785-28, Variable Frequency Drive Replacement Kit, 3 HP, 230 VAC 3 Ph

 

Lennox 24B71 (Lennox 622785-28) Variable Frequency Drive Replacement Kit is an OEM solution designed to restore precise motor speed control in compatible Lennox HVAC equipment. This 3 HP VFD operates on 230 VAC, 3-phase power and is engineered to deliver smooth, efficient motor performance while reducing electrical stress and extending overall system life.

Manufactured to original Lennox specifications, this replacement VFD kit ensures seamless compatibility, reliable operation, and consistent airflow or compressor control depending on the application. It is commonly used in commercial and light commercial HVAC systems where accurate speed modulation is critical for energy efficiency, temperature stability, and reduced operating costs.

 

Key features and benefits

• OEM Lennox replacement part designed for exact fit and performance
• 3 HP capacity for demanding HVAC motor applications
• 230 VAC, 3-phase input for commercial-grade systems
• Variable frequency control for smoother starts and reduced inrush current
• Improves energy efficiency and reduces mechanical wear
• Ideal replacement for failed or aging VFD units in Lennox equipment

 

Typical applications

This variable frequency drive replacement kit is used in Lennox HVAC systems requiring precise motor speed control, including air handlers, blowers, and other motor-driven components where variable airflow or load matching is essential.

 

Why choose this Lennox VFD replacement

Using an OEM Lennox variable frequency drive ensures proper communication with existing controls, eliminates compatibility issues, and maintains the original performance standards of your HVAC system. Aftermarket or mismatched drives can lead to improper motor operation, nuisance faults, or reduced equipment lifespan.

 

For contractors and facility managers, the Lennox 24B71 VFD replacement kit provides a dependable, factory-approved solution to keep systems running efficiently and reliably.

 

Brand: Lennox
Part number: 24B71
Manufacturer part number: 622785-28
Type: Variable Frequency Drive replacement kit
Power rating: 3 HP
Input voltage: 230 VAC
Phase: 3-phase