Becker Windmills Four-Legged Wind Driven Aerators

Let Mother Nature aerate your pond!

This windmill tower looks more like traditional farm windmills and is more stable than the three-leggedunits. This unit also pumps a large volume of air and has high pressure capability due to large head size for deeper ponds. One-piecewelded steel hub secures easily to windmill. Windmill aerators can save $30 to $50 per month in electrical costs, paying for themselves in a few short years.

• Stable, four leg design
• Long-lasting, reinforced neoprene diaphragm
• 6′ diameter head with 12 blades operates in wind as low as five miles per hour
• Produces 2.4-5 cfm (depending on air speed) for ponds up to 40′ deep
• Over speed protection – tail section will turn head in high winds preventing over spinning
• Includes 48″ long anchor stakes
• Maximum pressure of 30 psi
• Hinge kits included with 16′ and 20′ units
• Can effectively aerate ponds up to two acres depnding on shape and depth
• Windmills can sit up to 1000′ away from pond’s edge – use poly tubing
• Ideal for aerating remote ponds with no electricity nearby
• 5 Year Limited Warranty

BWM12W 12 Four-Legged Windmill Assembly with Quick Sink Tubing

Four Leg High Volume Windmill Pond Aerator

• Includes 50 of poly tubing, 100 of Quick Sink tubing and dual head Quick Sink diffuser (QS2)
• Windmill pumps 2.9 CFM @ 9 MPH wind, up to 5 CFM in higher winds!
• 4 4 square base footprint, 15 overall height
• Can ship via FedEx/UPS ground ships best via LTL when available
• Optional Red Stripe Kit – select from dropdown menu.
• Dimensions:15 ft Overall Height

BWM16W 16 Four-Legged Windmill Assembly with Quick Sink Tubing

Four Leg High Volume Windmill Pond Aerator

• Includes 50 of poly tubing, 100 of Quick Sink tubing and dual head Quick Sink diffuser (QS2)
• 6 diameter head with 12 blades, tapered blade design allows windmill to turn in low wind and yet produce large air volume in high winds.
• Windmill pumps 2.9 CFM @ 9 MPH wind, up to 5 CFM in higher winds!
• NEW FOR 2020! Hinge kits included with 16 and 20 units – for easier installation and maintenance
• 5 8 square base footprint, 19 overall height
• Can ship via FedEx/UPS ground ships best via LTL when available
• Optional Red Stripe Kit – select from dropdown menu.
• Dimensions:19 ft Overall Height

BWM20W 20 Four-Legged Windmill Assembly with Quick Sink Tubing

Four Leg High Volume Windmill Pond Aerator

• Includes 50 of poly tubing, 100 of Quick Sink tubing and dual head Quick Sink diffuser (QS2)
• Windmill pumps 2.9 CFM @ 9 MPH wind, up to 5 CFM in higher winds!
• NEW FOR 2020! Hinge kits included with 16 and 20 units -for easier installation and maintenance
• 7 0 square base footprint, 23 overall height
• Can ship via FedEx/UPS ground ships best via LTL when available
• Optional Red Stripe Kit – select from dropdown menu.
• Dimensions:23 ft Overall Height

BWM20DLX 20 Four Legged Windmill Assembly with Quick Sink Tubing

Four Leg High Volume Windmill Pond Aerator

• Deluxe Kit Includes 50 of poly tubing, 200 of Quick Sink tubing, 2-way air splitter and 2 single head Quick Sink diffusers (QS1)
• Use for larger ponds, odd shaped ponds or two smaller ponds
• 6 diameter head with 12 blades, tapered blade design allows windmill to turn in low wind and yet produce large air volume in high winds.
• Windmill pumps 2.9 CFM @ 9 MPH wind, up to 5 CFM in higher winds!
• Over-speed protection tail section turns head 12 15 away from wind to protect in high wind conditions
• Includes 48 long anchor stakes
• NEW FOR 2020! Hinge kits included with 16 and 20 units –for easier installation and maintenance
• 7 0 square base footprint, 23 overall height
• Maximum pressure of 30 psi
• Optional Red Stripe Kit – select from dropdown menu.
• Dimensions23ft Overall Height

These windmills ship freight. A valid contact number is needed in order to schedule the delivery. Inspect items for damage before signing to accept them.

Related Information

Owner’s Manual

More Information

QuickSink Diffuser Installation Instructions

Replacement Diaphragms

Windmill Freeze Control

Windmill Hinge Set

Striping Kit