Description
4 Ton Air Handler – Merit PSC (15 KW Heat Kit Included)
Merit® Series – CBK45UHVT Variable-Speed Air Handler
High-efficiency performance with Quantum™ Coil and 2025 refrigerant readiness
The Merit® Series CBK45UHVT Air Handler is engineered for reliable comfort and energy-efficient performance. Featuring a variable-speed blower motor, it provides smooth, consistent airflow while preventing temperature swings for a more stable indoor environment.
High-Efficiency Operation
Designed with a high-efficiency indoor coil, this air handler offers exceptional heat transfer and low air resistance—helping improve overall system performance. Its variable-speed motor adjusts airflow automatically, enhancing comfort while reducing energy usage.
Quantum™ Coil Durability
The CBK45UHVT includes Lennox’s all-aluminum Quantum™ Coil, built to resist corrosion from indoor environmental contaminants. This advanced coil design ensures long-lasting durability, providing dependable performance season after season.
2025 Refrigerant Compatibility + Leak Detection
This model comes factory ready for R-454B refrigerant and features an integrated Refrigerant Detection System. If a leak is detected, the system automatically activates a mitigation flush sequence, enhancing safety and delivering peace of mind.
Quiet and Comfortable Performance
A fully insulated cabinet ensures quiet operation by reducing sound and preventing cabinet sweating in hot, humid environments. An antimicrobial drain pan further supports indoor air quality by reducing mold and mildew growth and minimizing drain line blockages.
Optional Electric Heat
For added comfort during colder conditions, the CBK45UHVT is compatible with ECB45 Electric Heat Strips, providing an instant boost of warm air when needed.
Key Benefits
✅ Variable-speed blower for consistent airflow
✅ High-efficiency indoor coil for optimal heat transfer
✅ Quantum™ Coil for superior corrosion resistance
✅ R-454B ready with integrated refrigerant leak detection
✅ Quiet, fully insulated cabinet
✅ Antimicrobial drain pan for improved indoor air quality
✅ Optional electric heat compatibility






