continuous-duty operation

Does this unit require a power supply or wiring

It is a direct OEM replacement part for specific Trane and American Standard rooftop units

This motor features a standard 48-frame design with a 1/2" shaft

Lennox 71M80 Concentric Kit 30067439-890 continuous-duty operationThe Lennox 71M80 Concentric Kit is a professional grade 1 1 2" Concentric Vent Kit designed to streamline high efficiency furnace venting by combining intake and exhaust into a single roof or sidewall penetration. Engineered specifically for compatibility with Lennox HVAC systems, including elite models like the SLP99 and EL297 series, this OEM concentric termination kit utilizes a dual pipe design to isolate flue gases from fresh combustion air.