OXBOX BY TRANE 3.5 Ton 14.3 SEER2 Split-System Heat Pump with PSC Air Handler and R454B TXV Kit – J5HP5042A1000AA, J5AH4P48A1C00AA, 5AYTXVH3A4248A

This Oxbox system is a split-system heat pump engineered to deliver 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 provide 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 designed for R454B refrigerant, providing reliable cooling and heat pump heating across seasonal conditions. The indoor component, J5AH4P48A1C00AA, is a 48-size air handler with a PSC motor, delivering steady airflow and dependable operation. 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, quiet operation, and long-term reliability.

J5HP5042A1000AA

Submittals –Submittals_J5HP5042A1000AA (13)

Energy Guide –J5HP5042A1000AA (13)

Sell Sheet –SellSheet_English_HeatPump_R-454B (20)

Installation Manual –InstallationManual_English_J5HP5_14.3SEER2 (20)

J5AH4P48A1C00AA

Submittals –Submittal_J5AH4P48A1C00AA

Sell Sheet –SellSheet_English_MultipositionalAirHandler_R-454B (5)

Installation Manual –InstallationManual_English_Multipositional_PSC_J5AH4P (2)