Specification Sheet

148
CONSTRUCTION/SPECIFICATION CHECKLIST
Housing
• Curb cap with integral deep single piece spun inlet for efcient performance and prevention of leakage into
ductwork.
• Heavy-gauge aluminum housing and curb cap for strength and rigidity. Curb cap is galvanized steel on all
UL762 units.
• Stainless steel exterior fasteners.
• Enclosed, ventilated motor compartment isolates motor from exhaust air.
• Neoprene isolators for reduction of vibration and sound.
• Quick-Release latches on motor cover for easy access to motor compartment.
• Water-tight conduit tube for easy electrical connection without having to wire through the breather tube.
• NFPA - Model STXD is suitable for National Fire Protection Association installations. Contact factory for
required accessories.
Centrifugal Wheel
• All aluminum wheel.
• Backward-inclined for efciency at higher static pressure.
• Non-overloading for safe operation in ducted systems.
• Curved blades for efciency and quiet operation.
• Dynamically balanced for smooth operation.
Speed Controllable Motors
• Brands are nationally recognized and locally serviced.
• Standard motors are single speed, speed controllable and drip-proof.
• All motors are rated for continuous duty.
• Disconnect switch is standard with drip-proof motors.
• Heavy-gauge steel motor brackets designed for maximum strength.
AMCA Seal
• Assures accuracy of Air and Sound Performance.
cULus Label
• cULus 705 Listed Power Roof Ventilator label assures electrical reliability.
• cUL762us Listed for Restaurant Exhaust Appliance available for applications where required.
MODEL STXD
DIRECT DRIVE CENTRIFUGAL UPBLAST ROOF EXHAUSTER