a groove worn more than 1/32" can drop your drive efficiency by 5% and lead to rapid belt base wear

while commonly found in commercial Mighty Therm2 models

Integrated Blower Housing: Pre-assembled venter motor and housing ensures factory-spec airflow and static pressure

It provides the second input needed for the controller to sense the highest temperature between two circuits

minimizing nuisance shutdowns

Greenheck 873440 Power Pack 318423-701 a groove worn more thanThe Greenheck 873440 Power Pack is a precision engineered OEM replacement part designed specifically for Greenheck SP B series centrifugal ceiling exhaust fans. Tailored for the SP B110 model, this 115V fan motor and blower assembly serves as a comprehensive drop in solution for restoring system static pressure and airflow CFM. By utilizing a pre assembled power pack, contractors can bypass the labor intensive process of individual motor or wheel