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Electrician's Wiki - Berko RVD - Direct Drive Roof Ventilators
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Attic Ventilation
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Berko RVD - Direct Drive Roof Ventilators
Cast Aluminum Blade Roof Ventilators
Professional rating

Cast aluminum blades. Direct drive heavy-duty industrial construction. Totally enclosed motor standard, open drip proof and explosion proof optional. Rolled inlet venturi for efficient air flow. Utilizes heavy-duty construction. Butterfly damper axles pivot on self-lubricating nylon bearings. Damper edge tapered for weather seal. Rubber shim under dampers for better seal. Rubber damper stops for quiet operation.

Manufacturer Name: Marley (348)
Location: Bennettsville, SC, United States
Description: Innovative, Quality Engineered, Commercial, Industrial, & Residential Electric Comfort Heaters & Ventilation Solutions
Link to Website: http://www.marleymep.com
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