Kasco 5.3AF 5 HP Surface Aerator – 5 Acre Ponds – 208/240 V 3-Phase – WITH Float – WITH Bottom Screen – FREE SHIPPING ON SELECT MODELS


For ponds up to 5 acres in size. Introduce more oxygen faster with the Kasco 5.3AF 5 HP Surface Aerator.


Kasco 5.3AF 5 HP Surface Aerator – 208/240 V 3-Phase

Introduce more oxygen faster with the Kasco 5.3AF 5 HP Surface Aerator. The high-performance design of this aerator uses a single open propeller that creates and pushes water droplets into the air allowing efficient transfer of oxygen to the water. Agitation and movement created by the process spreads the oxygenated water throughout the body of water. The Kasco 5.3AF 5 HP Surface Aerator can operate in as little as 26 inches of water. It is ideal for ponds/tanks with surface areas of about 5 acres.

The Kasco 5.3AF 5 HP Surface Aerator comes with a lightweight, 2-blade weedless prop, designed to maximize the unit’s water moving performance and cut through even the toughest aquatic vegetation, all without increasing amp draw.

The Kasco 5.3AF 5 HP Surface Aerator is a self-contained unit that floats at the surface. With just three mooring lines anchoring the unit and a single power cord running to shore, the Kasco 5.3AF 5 HP Surface Aerator is easily installed and maintained by a single person.

The Kasco 5.3AF 5 HP Surface Aerator is available with an extremely efficient 208/240 Volt 3-Phase, 60 Hz. motor. All units come with a float, three 50 ft. mooring lines and a bottom screen. An optional control panel is also available.

Kasco AF Series Surface Aerators - Optional Bottom Screen

Kasco Bottom Screen

Keeps debris and other material out and ensures proper operation of your unit

  • Protective coated stainless steel
  • 84 vertical screening bars with gaps tapered from .875” to .188” on bottom screen
  • 7.5” H x 23” tapering to 8.25” diameter
  • Protective coated series 300 stainless steel attachment hooks

Key Features

  • The Kasco 5.3AF 5 HP Surface Aerator ensures a lower overall operating cost while delivering an extremely high dissolved oxygen level. High-efficiency design means low power consumption and low operating costs.
  • Low maintenance and dependable design.
  • The Kasco 5.3AF 5 HP Surface Aerator is manufactured with a hard-face internal mechanical seal for protection against leaks and is flood oil lubricated for excellent heat dissipation.
  • The Kasco 5.3AF 5 HP Surface Aerator features a corrosion resistant, stainless steel design which also makes it extremely dependable in salt water applications or other corrosive environments.
  • An easily replaced protective sacrificial zinc anode is included with each unit.
  • Safety Tested: ETL listed to UL and CSA Standards.
  • The Kasco 5.3AF 5 HP Surface Aerator increases fish growth and population density while providing efficient water and food circulation with little or no bottom turbulence.
  • The Kasco 5.3AF 5 HP Surface Aerator only requires a 26″ operating depth.
  • Choice of Cord Lengths: SJTOW underwater rated power cord length options of 100′, 150′, 200′, 250′, 300′ or 400′.
  • Made in the U.S.A.


  • 3-year manufacturer’s limited warranty


  • The Kasco 5.3AF 5 HP Surface Aerator is not approved for use in swimming pools
  • Kasco recommends a licensed electrician to install the control panel and the surface aerator
  • No one should ever enter the water with electrical equipment in operation or even plugged into the control panel or outlet
  • It is essential that the GFCI breaker is tested once a month to ensure proper operation
  • Due to their size and/or weight, all models with power cords of 150 ft. and longer ship by truck freight only. Please be aware that our default freight charges do not apply. Truck freight charges are calculated individually based on the shipping destination and will be quoted after receipt of your order. Truck freight shipments will only be processed after receiving your final authorization and approval of the total charges.


Kasco Marine Part Number 5.3AF-BTMSCR
Motor 5 HP
Pond Size 5 acres
Amperage 13 Amps
Minimum Water Depth Required 26″
Power Cord Lengths 100 ft., 150 ft., 200 ft., 250 ft., 300 ft. or 400 ft.
Weight 167 to 403 lbs. (depending on power cord length)
Float Included yes
Control Panel Included no, must be ordered separately
Bottom Screen Included yes
Voltage 208/240 V, 60 Hz. 3-Phase


Accessory Products

Kasco CA-3235 Control Panel

Kasco CA-3235 Control Panel (CA-3235)

The CA-3235 offers a single 24-hour timer in a GFCI protected 3-208/phase control panel. This UL-508A listed non-metallic 4x/3r panel has a 30ma trip level GFCl, a motor starter with adjustable overload, lightning/surge protection, and a Hand-Off-Auto switch.

  • 240 V
  • 3- Phase


PDF File: Kasco AF Series Surface Aerators – Owners & Assembly Manual

PDF File: Kasco 5.3AF Surface Aerator Spec Sheet