Description
5 Ton Air Handler – Merit PSC (20 KW Heat Kit Included)
Merit® Series – CBK45UHVT Variable-Speed Air Handler
High-efficiency performance with Quantum™ Coil and included 20 kW heat kit
The Merit® Series CBK45UHVT Air Handler delivers dependable, efficient comfort with advanced variable-speed technology designed to maintain steady airflow and prevent temperature fluctuations. Built to meet modern HVAC standards, this system is fully compatible with 2025-compliant R-454B refrigerant and includes enhanced safety features to ensure reliable operation.
High-Efficiency Performance
Equipped with a high-efficiency indoor coil, the CBK45UHVT provides exceptional heat transfer and low air resistance for improved overall system performance. The variable-speed blower motor adjusts output for smooth, consistent airflow, reducing energy consumption and improving year-round comfort.
Quantum™ Coil Durability
This air handler features Lennox’s exclusive all-aluminum Quantum™ Coil, engineered to resist corrosion from indoor environmental contaminants. This durable coil helps maintain long-term system performance and reliability even in challenging conditions.
2025 Refrigerant-Ready with Leak Detection
Factory-ready for R-454B refrigerant, the CBK45UHVT includes an integrated Refrigerant Detection System. If a refrigerant leak occurs, the system automatically activates a mitigation flush sequence for added safety and peace of mind.
Quiet, Clean, and Comfortable Operation
A fully insulated cabinet minimizes operational noise and reduces condensation in humid settings. The antimicrobial drain pan helps inhibit mold and mildew growth, supporting cleaner indoor air and preventing drain line clogs.
Includes 20 kW Electric Heat Kit
For enhanced cold-weather performance, this product includes a 20 kW electric heat kit, offering powerful, instant supplemental heating. This provides increased flexibility and comfort during extreme temperature drops.
Key Benefits
✅ Includes 20 kW electric heat kit for fast supplemental heating
✅ Variable-speed blower delivers consistent, even airflow
✅ Quantum™ Coil for long-lasting corrosion resistance
✅ Factory-ready for R-454B with built-in refrigerant leak detection
✅ Fully insulated cabinet for quieter operation
✅ Antimicrobial drain pan supports cleaner indoor air
✅ High-efficiency indoor coil maximizes system performance






