Lennox 73M00 P3 Plug 318973-401 this motor features a standard

this motor features a standard 48 Frame diameter and a counterclockwise (CCW) rotation facing the lead end

It is critical to ensure the furnace is grounded through the dedicated ground wire to prevent control lockout

You must use schedule 40 pipe for the discharge line

Common Questions: How do I know if this coil fits my valve

When performing a solenoid valve coil replacement or a full kit installation

Lennox 73M00 P3 Plug 318973-401 this motor features a standardThe Lennox 73M00 P3 Plug No Economizer Harness is an essential OEM component designed for specific Lennox commercial rooftop units and furnaces where economizer functionality is not utilized. This LB 98414 harness serves as a bypass or termination plug for the P3 connector on the integrated control board, ensuring the system logic operates correctly without diagnostic faults related to missing economizer feedback. Built to Lennox OEM specifications,