OXBOX BY TRANE -AIR HANDLER ELECTRIC HEAT KIT, 15 KW, R454B

This kit enables an air handler, compatible with R‑454B refrigerant, to incorporate a 15 kW electric resistance heating capability inside the cabinet. It’s meant for installations where supplemental or primary electric heat is needed, especially in a system designed for the newer A2L refrigerant R‑454B, which has specialized handling requirements.
Key features include:

• Rated heating capacity: 15 kW.

• Compatibility with R‑454B refrigerant systems in the OXBOX lineup.

• Designed to integrate with the air handler’s electrical section, requiring proper sizing of circuit, wiring, breaker/disconnect, and installation clearances.

• Must be installed in accordance with the manufacturer’s instructions (especially given the refrigerant type).