Our Four-Leg Windmill Aeration Systems and towers look more like a traditional farm windmill and are more stable than the three-legged units. These units also pump a higher volume of air and have high-pressure capabilities due to the large head size for deeper ponds. One-piece welded steel hub secures easily to the windmill. The blade diameter on all units is a full 73" in diameter, the largest windmill head on the market for pond aeration. This allows these units to pump up to 4.5 CFM of air and still turn at low wind speeds due to the windmill heads higher torque. Our Windmill Aeration Systems can also produce up to 30 psi of air allowing these units to aerate ponds or lakes that are 10', 20', or even 30' deep. New “BalCam II” technology minimizes bearing fatigue with new Stainless Steel components. Fast & Easy Assembly Manufactured with high-quality 18 gauge galvanized steel Newly redesigned blades and front dome assembly for a better airflow Self-governing head to protect the unit in high winds The new secure locking mechanism that attaches the windmill head to the shaft Larger check valves and upgraded ½” airline to handle the increased air that is produced High Air Output - 3.0-4.5 CFM rated at 30 psi Full 5-year warranty on bearings and cams Technical Specifications Over-speed protection tail section turns the head 12º - 15º away from the wind to protect it from excessive wind that could cause damage. Galvanized steel construction resists rust. Available in 12, 16, 20, and 24 ft. Tower Windmill Aeration System includes: 100ft of poly non-weighted tubing Stone Aerator Diffuser Check Valve Assembly MADE 100% in the U.S.A. This item ships motor freight. Please allow 10 to 12 business days for delivery from the time of order. Now you have the opportunity to have your own Personalized Tailfin in your Windmill Aerator. Just add it to your cart when you order, and we'll contact you to arrange your design! Video
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