OXBOX BY TRANE 3.5 Ton 14.3 SEER2 Split-System Heat Pump with ECM Air Handler and R454B TXV Kit – J5HP5042A1000AA, J5AH5E60A1C00AA, 5AYTXVH3A4248A

Split-System Heat Pump Configuration – Outdoor heat pump paired with indoor air handler for efficient residential heating and cooling

Complete 3.5 Ton System – Includes J5HP5042A1000AA heat pump, J5AH5E60A1C00AA ECM air handler, and 5AYTXVH3A4248A TXV kit

14.3 SEER2 Efficiency Rating – Designed for reliable cooling and electric heat pump operation using R454B refrigerant

ECM Motor Air Handler – Delivers improved airflow control, quieter performance, and enhanced energy efficiency

R454B TXV Kit Included – Supports 3.5–4.0 ton coil and air handler applications for precise refrigerant control

This Oxbox system is a split-system heat pump designed to provide efficient cooling and dependable electric heating for residential applications. As a split system, it consists of an outdoor heat pump unit paired with an indoor air handler, connected by refrigerant lines to deliver balanced airflow and consistent indoor comfort.

The system includes the J5HP5042A1000AA outdoor heat pump, rated at 3.5 tons with 14.3 SEER2 efficiency and engineered for R454B refrigerant, delivering reliable cooling and heat pump heating across seasonal conditions. The indoor component, J5AH5E60A1C00AA, is a 60-size air handler equipped with an ECM motor, providing precise airflow control, quieter operation, and improved energy efficiency. To ensure accurate refrigerant metering and optimized system performance, the system also includes the 5AYTXVH3A4248A TXV kit, compatible with 3.5–4.0 ton R454B coil and air handler applications.

When properly installed, this matched split-system heat pump delivers stable indoor temperatures, efficient operation, and long-term reliability.

J5HP5042A1000AA

Submittals –Submittals_J5HP5042A1000AA (2)

Energy Guide –J5HP5042A1000AA (2)

Sell Sheet –SellSheet_English_HeatPump_R-454B (14)

Installation Manual –InstallationManual_English_J5HP5_14.3SEER2 (14)

J5AH5E60A1C00AA

Submittals –Submittal_J5AH5E60A1C00AA (3)

Sell Sheet –SellSheet_English_MultipositionalAirHandler_R-454B (10)

Installation Manual –InstallationManual_English_Multipositional_PSC_J5AH5E (7)