What is the difference between a "Lower" and "Upper" sequencer

the NEMA 4X Enclosure ensures protection against harsh environmental conditions and washdowns

This model is factory-filled with Polyol Ester (POE) oil

Exposure to temperatures exceeding this limit can deform the molded housing or impact the specific gravity and reliability of the internal fluid

or 4 or 8 o'clock on larger lines

Fasco A360 Motor 326058-758 What is the difference betweenThe Fasco A360 Motor is a high performance 2 speed draft inducer motor designed as a direct OEM replacement for Trane furnace inducer motors. Featuring a 115V power supply and a robust 1 25 HP rating, this motor operates at a high speed of 2700 RPM to ensure efficient venting of combustion gases. Built for reliability in demanding HVACR applications, it utilizes ball bearings and a shaded pole design for cooler operation and extended component life.