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Windmill / Fountain / Pond Aerator Parts + Tune-Up Kits

Reliable parts to keep fountains, aerators, and windmills running strong.
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57 products

Windmill Blade Brace made from 18-gauge galvanized steel to stabilize windmill blades and ensure smooth, balanced rotation.

Windmill Blade Brace

Windmill Blade Brace | Universal

$7.95
$7.95
Bearing Nest for Garden Windmill made from galvanized steel to reduce friction and restore smooth rotation.

Garden Windmill Bearing Nest

Bearing Nest for Garden Windmill

From $9.95
From $9.95
Windmill Check Valve replacement insert for pond aeration systems, single pack backflow prevention valve for windmill and compressor aerators

Windmill Check Valve

Windmill Check Valve | Single Pack

$9.95
$9.95
Garden Windmill Hub Cap Dome in galvanized steel with bolt-on, weather-resistant protection.

Garden Windmill Dome

Garden Windmill Hub Cap Dome | Galvanized

From $12.95
From $12.95
Garden windmill cone bushings installed in a windmill tower cone for smooth rotation and long-lasting performance

Garden Windmill Cone Bushing

Garden Windmill Cone Bushings | Durable Replacement

$12.95
$12.95
Garden Windmill Fan Bearing with 1/2 inch inside diameter for Outdoor Water Solutions steel tower windmills, restoring smooth, quiet rotation.

Garden Windmill Fan Bearing

Garden Windmill Fan Bearing for Steel Tower | 1/2 inch Inside Diameter

$14.95
$14.95
Pond Aerator Air Filter Replacement with washable polyester for 2.25-inch or 3-inch pond aeration systems.

Pond Aerator Air Filter

Pond Aerator Air Filter Replacement

From $14.99
From $14.99
Sugar Creek Pump Up Pipe replacement part connecting pump to float for reliable fountain water flow

Fountain Part

Fountain Part | Sugar Creek Pump Up Pipe

$19.00
$19.00
Sugar Creek Pump Filter Screen replacement that filters debris and protects pond fountain pumps.

Fountain Part

Fountain Part | Sugar Creek Pump Filter Screen

$19.95
$19.95
Garden Windmill Tower Cone replacement for Outdoor Water Solutions metal backyard windmills, ensuring smooth 360-degree rotation.

Garden Windmill Cone

Garden Windmill Tower Cone

$24.95
$24.95
Garden Windmill Head Connection Bracket for secure attachment of windmill head to metal backyard windmill tower

Garden Windmill Bracket

Garden Windmill Head Connection Bracket

$27.95
$27.95
Pond aerator air filter with UV-resistant canister on pond compressor

Pond Aerator Air Filter

Pond Aerator Air Filter with Canister

From $27.95
From $27.95
Galvanized windmill blade with universal squared hub, 28-inch design for Outdoor Water Solutions windmills, improving torque and low-wind performance.

Windmill Blade

Windmill Blade | Universal Squared | Glavanized

$29.95
$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
$29.95
Garden Windmill Bearing replacement for small wood tower windmills by Outdoor Water Solutions.

Garden Windmill Bearing

Garden Windmill Bearing | Small Wood Tower

$34.95
$34.95
Garden Windmill Bearing Kit for large wooden windmill towers with smooth, quiet rotation.

Garden Windmill Bearing Kit

Garden Windmill Bearing Kit | Large Wood Tower

$36.95
$36.95
Galvanized Windmill Dome replacement for Outdoor Water Solutions windmills, weather-resistant cover for reliable pond aeration

Windmill Dome

Windmill Dome | Galvanized

$43.95
$43.95
Pond aerator cooling fan 4 inch for preventing overheating and extending aeration system lifespan.

Pond Aerator Cooling Fan

Pond Aerator Cooling Fan 4"

$43.95
$43.95
Windmill Tower Hinge Kit | Galvanized corrosion-resistant hinges for smooth access on windmill aeration towers

Windmill Hinge

Windmill Tower Hinge Kit | Galvanized

$54.95
$54.95
Pond aerator diffuser replacement with 12-inch rubber membrane and low-psi airflow for efficient pond aeration and oxygen transfer.

Pond Aerator Diffuser

Pond Aerator Diffuser | Replacement 12" Membrane Diffuser

$59.95
$59.95
Pond aerator diffuser replacement with 9-inch rubber membrane design for efficient oxygen transfer, low-psi operation, and reliable pond aeration.

Pond Aerator Diffuser

Pond Aerator Diffuser | Replacement 9" Diffuser

$59.95
$59.95
Galvanized Windmill Stake Clamps (three pairs) for Outdoor Water Solutions windmills, ensuring secure ground mounting and long-term stability for pond aeration systems.

Windmill Stake Clamp

Windmill Stake Clamps | Three Pairs | Galvanized

$59.95
$59.95
Windmill diaphragm replacement for Gen 2 and Gen 3 windmill aerators, OEM-fit for Outdoor Water Solutions systems.

Windmill Diaphragm

Windmill Diaphragm | Gen 2 and 3 | OEM Fit

$59.95
$59.95
Pond Aerator Repair Kit for Thomas rocking piston aerators with diaphragms, valves, piston rings, and seals.

Pond Aerator Repair Kit

Pond Aerator Repair Kit | Thomas

From $64.97
From $64.97
Windmill Pressure Kit with in-line pressure relief valve protecting pond aeration systems from backpressure and freezing

Windmill Valve

Windmill Pressure Kit | In-Line Pressure Relief

From $65.95
From $65.95

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