Whole house fans direct-drive - standard 1/4 hp - 3-blade with automatic shutter "masterflow" size ins.=24 cfm=4,500
Used in place of air conditioning to reduce energy costs in homes over 1,000 sq.Ft. Easy-to-wire, 2-speed pull-chain switch for no wiring through walls. Efficient, long-lasting, thermally protected, permanent split-capacitor motor runs at 120 volts. Balan ced aluminum fan-blade assembly for quiet operation. All-metal construction shroud. Pre-assembled and ready for installation. Includes seal-tite white aluminum ceiling shutter, installation hardware, plenum boards, and easy-to-follow diyer instructions. U l/ul canada listed. 24" measures 27-3/4" x 27-3/4" x 5" overall to vent 2,500 sq.Ft., While 30" measures 34" x 34" x 7" overall to vent up to 3,000 sq.Ft.
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