

Ships via freight in 1-3 business days
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
This product weighs 60 lb each and will be shipped via LTL carrier. A lift gate option will be added free of charge for your convenience.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The Oxbox J5AH4P18A1A00 is a 1.5-ton (18,000 BTU) air handler designed for use with R-454B refrigerant systems and equipped with a PSC (permanent split capacitor) motor for dependable air circulation. As part of the Oxbox HVAC product line from Trane Technologies, this air handler provides reliable indoor airflow management for residential and light commercial split system applications. The PSC motor delivers proven performance with straightforward operation and serviceability.
This air handler is designed for installation as part of a matched split system and connects to a compatible R-454B outdoor condensing unit or heat pump. The unit supports flexible installation configurations and includes copper sweat refrigerant connections along with condensate drain provisions for proper system integration. Installation requires professional HVAC service to complete refrigerant piping, electrical connections, airflow setup, and condensate drainage.
1.5-ton (18,000 BTU) capacity for residential and light commercial applications
Compatible with R-454B low-GWP refrigerant systems
PSC motor provides reliable and efficient air circulation
Designed for use with compatible outdoor condensing units or heat pumps
Copper sweat refrigerant connections for secure system installation
Primary and auxiliary condensate drain connections for flexible installation
Designed for dependable indoor air distribution performance
The Oxbox J5AH4P18A1A00 is designed for use in residential and light commercial split HVAC systems utilizing R-454B refrigerant. Pair with a compatible Oxbox or approved matched outdoor unit to achieve proper system operation and rated performance. Always verify manufacturer-approved system combinations before installation.
Installation should be completed by a qualified HVAC professional in accordance with local codes and manufacturer installation instructions. Refrigerant connections must be properly installed, pressure-tested, and evacuated before charging and system startup. Electrical wiring, airflow configuration, and condensate drain connections must be completed according to applicable requirements for safe and reliable operation.
Capacity: 18,000 BTU/h (1.5 Ton)
Refrigerant: R-454B
Motor Type: PSC (Permanent Split Capacitor)
Unit Type: Air Handler
System Type: Split System Indoor Air Handler
Liquid Line Connection: Copper Sweat
Vapor Line Connection: Copper Sweat
Primary Drain Connection: 3/4 inch Female NPT
Auxiliary Drain Connection: 3/4 inch Female NPT
Brand: Oxbox
Manufacturer Part Number: J5AH4P18A1A00
Thanks for subscribing!
This email has been registered!