Specification Sheet
Table Of Contents
84
OPTIONS/ACCESSORIES
Solid State Speed Control: S&P’s solid state control is matched to allow smooth RPM variation
and adjustment of airow 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