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Kasco Marine Aerators


Kasco pond aerators (also called high oxygen transfer units) are designed to withstand the rigors of commercial aquaculture operations, industrial applications, and municipal waste water plants.

With more vertical-pump-type aerators in use in North America than any other manufacturer, Kasco is the clear market leader in products proven to deliver outstanding performance and reliability.

Kasco pond aerators dramatically agitate high volumes of water at the surface to maximize exposure of water to the air for valuable gas exchange, greatly improving your pond or lake aeration.

Examples of Pond Aerators in use:

Pond Aerators Example 2 Pond Aerators Example 3

Typical applications include commercial aquaculture, agricultural ponds, industrial plants, municipal waste water and backyard ponds. These units are typically selected for surface aeration when a decorative fountain pattern is neither necessary nor desired.

Auburn University has performed independent product tests and has found that Kasco's aerators’ SAE (Standard Aeration Efficiency) is at least 3.0 lbs. of oxygen per horsepower per hour of operation, making them some of the most efficient and effective units available.

All Kasco pond aerators are self-contained, lightweight units that float at the surface with a single power cord returning to shore and two or three mooring lines anchoring the unit. The units are easily installed and maintained by a single person and have proven to be an excellent choice for both continuous duty pond or lake aeration and supplemental aeration for unique applications.

Features and Benefits of Pond Aerators

  • Efficient / Low Power Use: Highest efficiency design for low power consumption versus competing units. Reduces operating costs over the entire life of the unit.
  • Rugged Motor: Environmentally friendly design with a hard-face internal mechanical seal and external lip seal for protection against leaks. Long-life top and bottom ball bearings. Flood oil lubricated for excellent heat dissipation.
  • Corrosion Resistant: Superior dependability in salt-water or other corrosive environments. All external metal motor, float, and hardware components are of stainless steel composition and protected by a sacrificial zinc anode.
  • Low Maintenance: Clean the motor housing once or twice per year and replacing the sacrificial zinc anode when visibly corroded.
  • Fully Tested: ETL listed to stringent UL and CSA Safety Standards.
  • Ships Easily: Via UPS
  • Dependable: Backed by a two-year warranty (three-year warranty for the 2, 3, and 5HP)

All models include a float and two (or three) 50' braided nylon mooring ropes and are available with 50', 100', 150', or 200' (250', 300', 400', or 500' for 240V models) SJTOW underwater rated electrical power cords.

Model Size Min. Depth Voltage / Phase Running Amps
2400AF 1/2 hp 15" 120V / Single 5.0
3400AF 3/4 hp 18" 120V / Single 6.7
3400HAF 3/4 hp 18" 240V / Single 3.4
4400AF 1 hp 19" 120V / Single 11.3
4400HAF 1 hp 19" 240V / Single 5.7
8400AF 2 hp 20" 240V / Single 9.0
2.3AF 2 hp 20" 208/240V / 3 Phase 4.5
3.1AF 3 hp 24" 240V / Single 10.7
3.3AF 3 hp 24" 208/240V / 3 Phase 8.2
5.1AF 5 hp 26" 240V / Single 18
5.3AF 5 hp 26" 208/240V / 3 Phase 13
Displaying products 1 - 18 of 18 results
120 Volt Timer Control
Price: $234.50
120 Volt Timer Control
120 Volt Timer Control
240 Volt Timer Control
Price: $1,239.75
240 Volt Timer Control
240 Volt Timer Control
Kasco Marine 2400AF (1/2HP) with Bottom Screen- 120 Volt
Price: From $927.90 to $1,494.00
Kasco Marine 2400AF (1/2HP) with Bottom Screen- 120 Volt
Kasco Marine 2400AF (1/2 HP) High Oxygen Transfer Aerator- 120 Volt- Two Year Warranty
Kasco Marine 2400AF (1/2HP) - 120 Volt-
Price: From $747.90 to $1,314.00
Kasco Marine 2400AF (1/2HP) - 120 Volt-
Kasco Marine 2400AF (1/2 HP) High Oxygen Transfer Aerator- 120 Volt- Two Year Warranty
Kasco Marine 3400AF (3/4HP) with Bottom Screen- 120 Volt
Price: From $998.10 to $1,536.30
Kasco Marine 3400AF (3/4HP) with Bottom Screen- 120 Volt
Kasco Marine 3400AF (3/4 HP) High Oxygen Transfer Aerator- 120 Volt- Two Year Warranty
Kasco Marine 3400AF (3/4HP)- 120 Volt-
Price: From $818.10 to $1,356.30
Kasco Marine 3400AF (3/4HP)- 120 Volt-
Kasco Marine 3400AF (3/4 HP) High Oxygen Transfer Aerator- 120 Volt- Two Year Warranty
Kasco Marine 3400HAF (3/4HP) with Bottom Screen- 240 Volt
Price: From $1,035.00 to $1,881.90
Kasco Marine 3400HAF (3/4HP) with Bottom Screen- 240 Volt
Kasco Marine 3400HAF (3/4 HP) High Oxygen Transfer Aerator- 240 Volt- Two Year Warranty
Kasco Marine 3400HAF (3/4HP) - 240 Volt-
Price: From $855.00 to $1,701.90
Kasco Marine 3400HAF (3/4HP) - 240 Volt-
Kasco Marine 3400HAF (3/4 HP) High Oxygen Transfer Aerator- 240 Volt- Two Year Warranty
Kasco Marine 4400AF (1HP) with Bottom Screen- 120 Volt
Price: From $1,359.00 to $2,243.70
Kasco Marine 4400AF (1HP) with Bottom Screen- 120 Volt
Kasco Marine 4400AF (1 HP) High Oxygen Transfer Aerator- 120 Volt- Two Year Warranty
Kasco Marine 4400AF (1HP) - 120 Volt-
Price: From $1,179.00 to $2,063.70
Kasco Marine 4400AF (1HP) - 120 Volt-
Kasco Marine 4400AF (1 HP) High Oxygen Transfer Aerator- 120 Volt- Two Year Warranty
Kasco Marine 4400HAF (1HP) with Bottom Screen- 240 Volt
Price: From $1,370.70 to $2,239.20
Kasco Marine 4400HAF (1HP) with Bottom Screen- 240 Volt
Kasco Marine 4400HAF (1 HP) High Oxygen Transfer Aerator- 240 Volt- Two Year Warranty
Kasco Marine 4400HAF (1HP) - 240 Volt-
Price: From $1,190.70 to $2,059.20
Kasco Marine 4400HAF (1HP) - 240 Volt-
Kasco Marine 4400HAF (1 HP) High Oxygen Transfer Aerator- 240 Volt- Two Year Warranty
Kasco Marine 8400AF (2HP) with Bottom Screen- 240 Volt
Price: From $2,143.80 to $5,346.45
Kasco Marine 8400AF (2HP) with Bottom Screen- 240 Volt
Kasco Marine 8400AF (2 HP) High Oxygen Transfer Aerator- 240 Volt- Three Year Warranty
Kasco Marine 8400AF (2HP)- 240 Volt-
Price: From $1,963.80 to $5,166.45
Kasco Marine 8400AF (2HP)- 240 Volt-
Kasco Marine 8400AF (2 HP) High Oxygen Transfer Aerator- 240 Volt- Three Year Warranty
Kasco Marine 3.1AF (3HP) with Bottom Screen- 240 Volt
Price: From $2,619.00 to $5,541.30
Kasco Marine 3.1AF (3HP) with Bottom Screen- 240 Volt
Kasco Marine 3.1AF (3 HP) High Oxygen Transfer Aerator- 240 Volt- Three Year Warranty
Kasco Marine 3.1AF (3HP) - 240 Volt-
Price: From $2,439.00 to $5,361.30
Kasco Marine 3.1AF (3HP) - 240 Volt-
Kasco Marine 3.1AF (3 HP) High Oxygen Transfer Aerator- 240 Volt- Three Year Warranty
Kasco Marine 5.1AF (5HP) with Bottom Screen- 240 Volt
Price: From $3,207.60 to $7,315.20
Kasco Marine 5.1AF (5HP) with Bottom Screen- 240 Volt
Kasco Marine 5.1AF (5 HP) High Oxygen Transfer Aerator- 240 Volt- Three Year Warranty
Kasco Marine 5.1AF (5HP)- 240 Volt-
Price: From $3,027.60 to $7,135.20
Kasco Marine 5.1AF (5HP)- 240 Volt-
Kasco Marine 5.1AF (5 HP) High Oxygen Transfer Aerator- 240 Volt- Three Year Warranty