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Ventamatic Belt Drive Whole House Fan with Automatic Shutter

Ventamatic Belt Drive Whole House Fan with Automatic Shutter

SKU 106178
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Belt drive whole house fan with white powder-coat finish shutter. 2-speed, thermally protected 1/3 HP (horsepower) PSC (Permanent Split Capacitor) motor. Precision balanced aluminum fan blade assembly. 4 fan blades for greater air movement. Includes 2-speed switch and wall plate. Joist-in or joist-out installation. Ceiling mount application only. Dual ball-bearing technology. Tough steel motor struts. Steel venturi for enhanced durability. 24" whole house fan is appropriate for homes with up to 1800 sq ft (square foot) attics. Requires a minimum of 8 to 10 sq ft of net free air exhaust vent area. 30" whole house fan is appropriate for homes with 2000 to 3000 sq. ft. attics. Requires a minimum of 10 to 12 sq ft of net free air exhaust vent area. 36" whole house fan is appropriate for homes with attics over 3200 sq. ft. Requires a minimum of 12 to 14 sq ft of net free air exhaust vent area. Veins run lengthwise on 24" and 30" - crosswise on 36" whole house fans. Center vein is stationary to allow no-cut joint installation. 10 year limited warranty. No. CX24BD2SPD: Size: 24", Drive Type: Belt Drive, For Use With: Up to 1800 sq ft, Rough Opening: 25-1/2" x 27-3/4", Shutter Inside Dimensions: 23-3/4" x 25-1/2", Shutter Outside Dimensions: 28" x 29-3/4", Finished Fan Frame Dimension: 28-3/8" x 28-3/8", Rate: High 4500/Low 3100, Net Free Area: 8 to 10 sq ft, Pkg Qty: 1, Package Type: Box No. CX30BD2SPD: Size: 30", Drive Type: Belt Drive, For Use With: 2000 to 3000 sq ft, Rough Opening: 29-1/4" x 32", Shutter Inside Dimensions: 27-1/4" x 29-3/4", Shutter Outside Dimensions: 31-1/2" x 34", Finished Fan Frame Dimension: 35" x 35", Rate: High 7800/Low 5400, Net Free Area: 10 to 12 sq ft, Pkg Qty: 1, Package Type: Box No. CX36BD2SPD: Size: 36", Drive Type: Belt Drive, For Use With: Over 3200 sq ft, Rough Opening: 37-1/4" x 33-1/2", Shutter Inside Dimensions: 35" x 31-1/4", Shutter Outside Dimensions: 39-1/4" x 35-3/4", Finished Fan Frame Dimension: 42-1/8" x 42-1/8", Rate: High 9700/Low 6800, Net Free Area: 12to 14 sq ft, Pkg Qty: 1, Package Type: Box
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