protecting both the system and the structure from overheating conditions

the fine mesh should be removed

80" WC / -0

visible cracks in the white ceramic insulator

while commonly found in commercial Mighty Therm2 models

Greenheck 873440 Power Pack 318423-701 protecting both the system andThe 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