Fasco D487 Motor 321894-709 What is the primary difference

What is the primary difference between the RIB01B and the RIB02B series

Common indicators include intermittent stalling after 15-30 minutes of operation

which prevents premature mechanical wear on the indoor blower motor and mounting brackets

it is the factory-designated replacement

Direct Compatibility: Specifically designed for Lennox HVAC equipment

Fasco D487 Motor 321894-709 What is the primary differenceThe Fasco D487 Motor is a high performance PSC condenser fan motor engineered for reliability in demanding HVAC and refrigeration environments. This 1 10 HP motor features a versatile 115 208 230V multi voltage rating, making it a critical stock item for technicians servicing residential and light commercial heat pump operations. Operating at a consistent 1550 RPM with a 42 frame diameter, the D487 utilizes an open air over (OAO) enclosure to ensure