Kasco® Robust-Aire™ RA4

  • $3,700.00


Kasco® Robust-Aire™ RA4 are highly efficient, reliable, and durable aeration systems that induce oxygen transfer, beneficial water movement, and mixing to ponds up to 8 Acres, 8 to 50 feet deep depending on the shape. 

Base Mount Cabinet
The cabinet should be mounted on the ground with access to ventilation from below. The powder-coated aluminum cabinet includes a cooling fan that provides 110 CFM ventilation, acoustical foam, key lock, and 120-V receptacle or a 240-V junction box.  Dimensions are 24" x 18" x 20" H. Base Mount Cabinets ship motor freight only. 

  • Two 1/4 hp single-piston Teich-Aire™ compressors 
  • Four diffuser assemblies
  • Two dual-port aluminum manifolds with valves
  • Quiet operation; 70dB without a cabinet (air conditioner), 65 with cabinet (normal conversation)
  • No electricity in the water
  • No equipment floating on or near the surface
  • Designed and built for continuous operation
  • Low maintenance rocking-piston compressor
  • Compressor Cabinet can be remotely installed 
Technical Specifications 

Robust-Aire Diffusers Assembly is designed to provide a fine air bubble with the least amount of pressure. They are self-weighted with a stainless-steel base that lands upright every time. 

Safety Tested; compressor ETL listed to UL and CSA Standards

Backed by a 3-year warranty for the compressor, 2 years for piston cups and gaskets, and a lifetime for the cabinet and diffusers. 

If you want industry-leading efficiency and effectiveness in your diffused aeration system, Kasco has the solutions you need!

Benefits of Robust-Aire™

  • Easy to install, use, and maintain
  • Creates open water to prevent ice damage to docks and boats
  • Can be installed distant from power
  • Eliminates thermal and chemical stratification
  • Increases oxidation at the bottom to speed up organic decomposition
  • Expands fish habitat


Robust-Aire System

Compressor hp

Pond Size (Surface Acres)

Number of Diffusers Assembly

Amps 120V/240V

CFM at 10 Psi

Maximum Depth 
RA4 2 - 1/4 hp compressors  Up to 8 4 5.1/2.6 6.4 50ft 

 

Product Manual 

        

Robust Aire Aeration Manual

 

Video

 


 

Benefits of Robust-Aire™

  • Easy to install, use, and maintain
  • Creates open water to prevent ice damage to docks and boats
  • Can be installed distant from power
  • Eliminates thermal and chemical stratification
  • Increases oxidation at bottom to speed up organic decomposition
  • Expands fish habitat


Robust-Aire Sytem

Compressor hp

Pond Size (Surface Acres)

Number of Diffusers Assembly

Amps 120V/240V

CFM at 10 Psi

3/8" Weighted Aeration Tubing

RA42 - 1/4 hp compressors Up to 845.1/2.66.4400 ft