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Backdraft damper, vertical mount, Model WD-330, 14 In Sq, No Flange, Performance up to 2,500 ft/min
Backdraft damper, vertical mount, Model WD-330, 14 In Sq, No Flange, Performance up to 2,500 ft/min
The WD-330 series dampers are designed to prevent reverse airflow in horizontal exhaust applications. The WD-330 features a pressure sensitive blade design that opens and remains open under low velocity conditions. The dampers are opened by air pressure differential and closed by gravity. Galvanized steel, flangeless frame. Width and height furnished approximately 0.125 in. under size
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Manufacturer:
Greenheck Fan Corporation
Availability:
10 in Troy
SKU:
WD3301414
$234.00
Qty:
Products specifications
Attribute name
Attribute value
Weight
5 lbs
Max Velocity
2500
Pressure Differential Max
2
Mounting Position
Vertical
Frame Material
Galvanized Steel
Frame Gauge
18
Frame Type
No Flange
Blade Material
Roll formed aluminum
Blade Gauge
0.125
Warranty Length
1 Year
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Availability:
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Model SQ Centrifugal Inline Exhaust fans are direct drive, compact, and offer multiple mounting configurations. Fan wheels are centrifugal, backward inclined, and constructed of aluminum. Fans are designed for indoor use with a maximum operating temperature of 130 degrees F, and are stocked 115/1Ø with UL-705 label, NEMA 1 disconnect switch. Key features: Compact size for height-restricted areas, Aluminum backward inclined, nonoverloading centrifugal wheel design, Inlet and discharge duct collars for easy duct connection, Removable access panels permit easy access to interior components for cleaning and servicing, Energy efficient, Vari-Green motor for maximum motor controllability Certifications: AMCA Sound & Air Performance, UL/cUL 705
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