Key Features and Benefits
- Ruggedly constructed steel curb cap including spun venturi section for efficient air flow.
- Cast aluminum spark-resistant propellers are standard and suitable for use in hazardous locations when paired with explosion proof motor.
- Butterfly damper section, mill galvanized construction, with damper blades that open when fan is energized and close weathertight when unit is off. Dampers rotate in nylon bearings on a stainless steel axle.
Optional Accessories
- Weatherproof non-fused disconnect switches.
- Insulated roof curbs for flat or pitched roofs.
- Magnetic latches to keep damper section lids down when fan is off.
- Replacement damper sections.