More examples & information related to Ventilator Equipment can be found here:
Gymnasium Ventilator requires reconditioning due to age and
Best Case Economics because on minimal use.
Ventilator mechanicals under the dome. Power disconnection switch.
Ventilation duct, built-in ventilator and electrical conduit power supply.
Mechanical service for commercial kitchen ventilator.
View of inside of an
Up-Blast Ventilator with worn fiber-glass weather louvers. These fold upward when the unit is in use.
Example of Up-Blast Ventilator with roof curb - 1 HP