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Windmill Aeration Parts & Accessories – Airline, Diffusers & Replacement Components

Keep the wind turning and the air flowing—replacement parts built for every season.
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27 products

Aeration windmill head replacement with compressor for off-grid pond aeration, 73-inch blades, airline and diffuser

Yard Windmill Part

Aeration Windmill Head Complete Replacement + Compressor

$1,749.00
Windmill Compressor with galvanized housing delivering 4.5 CFM airflow for windmill pond aeration systems.

Windmill Aerator Part

Windmill Compressor | Galvanized | 4.5 CFM

$995.95
Windmill Head & Tail replacement for pond aeration systems with heavy-duty galvanized blades and universal 1-inch shaft fit

Windmill Part

Windmill Head & Tail (No Arms)

$729.95
Windmill Aerator Upgrade medium pond kit with weighted airline, airstone, and diffuser marker

Windmill Aerator Part

Windmill Aerator Upgrade | Medium Pond Accessory Kit

$499.95
Windmill Aerator Control Box with smart wind-to-electric switch for automatic pond aeration and reduced energy use

Windmill Aerator Part

Windmill Aerator Control Box | Smart Wind-to-Electric Switch

$379.95
White cylindrical container for holding anti-freeze liquid for windmill aeration with black cable on a white background

Windmill Aerator Part

OWS - Windmill Winter Kit for Windmill Aerator

$219.95
Bearing Replacement Kit for Gen 2 and Gen 3 windmill aeration compressors with OEM-fit bearings and flanges.

Windmill Part

Bearing Replacement Kit | Gen 2 and 3 | OEM Fit

$209.95
Windmill Aerator Upgrade small pond accessory kit with weighted airline, airstone housing, tower hinges, and duck decoy marker

Windmill Aerator Part

Windmill Aerator Upgrade | Small Pond Accessory Kit

$199.95
Windmill Retrofit Kit with 2-inch pivot tube adapter mounted on an old-time windmill tower for modern pond aeration

Windmill Aerator Part

Windmill Retrofit Kit | 2" Pivot Tube Adapter

$179.95
Windmill Pond Aerator Tune Up Kit for BalCam I & II windmill aeration systems.

Windmill Aerator Part

Tune Up Kit | Windmill Pond Aerator

$149.95
Windmill Hub Assembly made from heavy-duty steel with black powder-coated finish for Outdoor Water Solutions pond aerator and yard windmills.

Windmill Part

Windmill Hub Assembly | Steel | Black

$142.95
Wood Windmill Anchor Kit securing a wooden windmill with screw-in ground anchors for storm-proof stability.”

Wood Windmill Part

Wood Windmill Anchor Kit | Storm-Proof Stability

$139.95
Galvanized windmill tailfin replacement for pond aeration windmills, restoring proper wind alignment and reliable performance.

Windmill Part

Windmill Tailfin | Galvanized

$109.95
OWS Windmill Pivot Bearing upgrade improving smooth windmill head rotation for pond aeration systems

Windmill Aerator Part

Windmill Aerator Upgrade | OWS Windmill Pivot Bearing

$99.95
Windmill Valve Kit two-way 1/2-inch brass selector valve for balancing airflow in pond aeration systems

Windmill Aerator Part

Windmill Valve Kit | Two-Way Selector | 1/2"

$87.95
Windmill Pressure Kit with in-line pressure relief valve protecting pond aeration systems from backpressure and freezing

Windmill Aerator Part

Windmill Pressure Kit | In-Line Pressure Relief

From $65.95
Galvanized Windmill Stake Clamps (three pairs) for Outdoor Water Solutions windmills, ensuring secure ground mounting and long-term stability for pond aeration systems.

Windmill Part

Windmill Stake Clamps | Three Pairs | Galvanized

$59.95
Pond aerator diffuser replacement with 12-inch rubber membrane and low-psi airflow for efficient pond aeration and oxygen transfer.

Pond Aerator Part

Pond Aerator Diffuser | Replacement 12" Membrane Diffuser

$59.95
Pond aerator airline tubing made from non-weighted polyethylene poly tubing for above-ground or underground airflow.

Pond Aerator Part

Pond Aerator Airline Tubing | Non-Weighted | Poly Tubing

From $59.95
Windmill Tower Hinge Kit | Galvanized corrosion-resistant hinges for smooth access on windmill aeration towers

Yard Windmill Part

Windmill Tower Hinge Kit | Galvanized

$54.95
Galvanized Windmill Dome replacement for Outdoor Water Solutions windmills, weather-resistant cover for reliable pond aeration

Windmill Part

Windmill Dome | Galvanized

$43.95
Galvanized windmill blade with universal squared hub, 28-inch design for Outdoor Water Solutions windmills, improving torque and low-wind performance.

Windmill Part

Windmill Blade | Universal Squared | Glavanized

$29.95
OWS Large Windmill Blade 28-inch angled tip galvanized steel replacement for windmill pond aerators and yard windmills

Windmill Blade

OWS Large Windmill Blade 28" | Angled Tip | Galvanized

$29.95
Garden Windmill Tower Cone replacement for Outdoor Water Solutions metal backyard windmills, ensuring smooth 360-degree rotation.

Garden Windmill Part

Garden Windmill Tower Cone

$24.95
Garden Windmill Hub Cap Dome in galvanized steel with bolt-on, weather-resistant protection.

Garden Windmill Part

Garden Windmill Hub Cap Dome | Galvanized

From $12.95

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