Specification Sheet

84
OPTIONS/ACCESSORIES
Solid State Speed Control: S&P’s solid state control is matched to allow smooth RPM variation
and adjustment of airow for system balancing. CFM is reduced in direct proportion to motor
speed reduction. Speed controllers available for 115/1 or 230/1 operation. Exhauster performance
can be controlled from the ventilated area.
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.
Motor Operated Damper: Motor operated aluminum damper for positive closure against
backdraft.
Automatic Damper: Automatic aluminum damper for ease in installation and effective
backdraft protection.
Curb Hinge Arrangement: The curb hinge arrangement provides easy access to the exhaust fan,
backdraft damper, and duct for servicing and cleaning.
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.
MODEL LPD
LOW PROFILE DIRECT DRIVE CENTRIFUGAL ROOF/SIDEWALL EXHAUSTER