Specification Sheet

465
OPTIONS/ACCESSORIES
Roof Curb: Prefabricated heavy-gauge galvanized steel, welded construction, 8” high
(other heights are also available) with 1-1/2” wood nailer. Assures perfect t of ventilator
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.
Insulation: Mastic anti-condensate coating or 1” thick berglass insulation is added to underside of top
to help prevent condensation.
Filters: Permanent type aluminum mesh lters attached to full perimeter of hood. Installed for easy
cleaning. On air intake, add .15” to static pressure listed in the tables.
Insect/Weather Screen: Helps prevent insects and snow (in extreme conditions) from entering units.
Add .10” to the static pressure tables for exhaust models and .05” for intake ventilators.
Access Section: Used for easier access when unit is used as an equipment cover.
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 RLX
LOUVERED PENTHOUSE