Tamper Resistant Centrifugal Roof Exhaust Fans From Greenheck
Greenheck's Model NYD and NYB tamper-resistant centrifugal roof exhaust fans prevent entry into the fan unit or building.
Constructed of galvanized steel, the fans hinged hood provides easy access to all internal components. Belt drive Model NYB and direct drive Model NYD feature a backward inclined wheel and are available in 10 different sizes, with capacities from 169 to 8,080 cfm and up to 1.25 in. wg of static pressure. Greenheck Models NYD and NYB are licensed to bear the AMCA Seal for Air Performance.
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