Power Roof Ventilators

Hartzell Air Movement has redefined the power roof ventilator with an advantage to decrease service time while eliminating the risk of moisture. The addition of a zero-leak service door moves both the propeller and motor out of the airstream. This new design with a zero-leak seal is a reaction to customer requests where critical systems cannot be exposed to moisture as other fans have previously allowed. By providing several new features to this service access point, including new technology in the hinge and seal, the design prevents the seal from being removed during cleaning as users have experienced with other power roof ventilators.  
Hartzell Air Movement, Piqua, OH 937-615-3042 www.hartzell.com