Specification Sheet

453
CONSTRUCTION/SPECIFICATION CHECKLIST
• Five year warranty.
• Low contour spun aluminum hood for attractive appearance.
• All heavy-gauge aluminum construction.
• Weather resistance design for long life and maintenance free operation.
• Galvanized birdscreen is standard.
• Available in 13 sizes for a wide range of performance capabilities.
• RCXII has one-piece curb cap with spun inlet for maximum efciency.
• RCXII-SF is self ashing.
• Shipped completely assembled for ease in installation.
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 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.
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.
Insect/Weather Screen: Helps prevent insects, snow, airborne mist or water droplets from entering on
supply applications exceeding 650 FPM velocity.
MODELS RCXII/RCXII-SF
RELIEF/INTAKE GRAVITY VENTILATORS