Specification Sheet

352
OPTIONS/ACCESSORIES
Roof Curb: Prefabricated heavy-gauge galvanized steel, welded construction, 12” high
(other heights are also available) with 1-1/2” wood nailer. Assures perfect t of exhauster
to roof opening. Options include burglar bars, single or double pitch construction and
hinged curbs for easy duct access.
Disconnect Switch: Nonfused safety disconnects are available for all motor sizes in rain-tight or open
enclosures. Explosion proof, Nema 4 and 4X are also available.
Motor Operated Damper: Motor operated for positive closure against backdraft.
Automatic Damper: Automatic (counter-balanced) damper for ease in installation.
Bird Screen: 1/2” x 1” wire mesh guard prevents birds and other objects from entering fan.
Remote Drive: The motor is mounted on the stack exterior, out of the airstream. A motor cover is
provided.
Fiberglass Free Insulation: Hood crown is covered with 1/2” high performance and ecologically
friendly berglass free insulation only, to reduce fan sound and condensation.
Extended Grease Lines: Extended copper grease lines allow motor and/or fan bearings to be
relubricated from the exterior.
Motor Safety Chain: Secures motor to fan unit to prevent motor accidentally falling during maintenance.
Aluminum Construction: Optional aluminum construction available for external fan components
(hood and base) only.
Special Coatings: Powered roof exhausters often require special coatings for protective and decorative
purposes. Available coatings include: Synthetic Resin, Epoxy, and Heresite (air-dried phenolic). Contact
your representative or the factory for more information on available coatings and colors.
MODELS HREB-C & HRED-C
HOODED PROPELLER ROOF EXHAUST FANS