ROBUSTAIRE™ DIFFUSED AERATION

Move and Aerate Large Volumes of Water

RobustAire™ Diffused Aeration

Kasco RobustAire™ Diffused Aeration systems add beneficial water mixing and movement from the bottom up to prevent weed overgrowth, algae, fish kills, and other issues. Using a shore-mounted compressor, air is pushed through self-weighted lines to a diffuser on the bottom of a pond, lake, or tank allowing water to be thoroughly mixed helping to prevent the most common water quality issues.

Newly designed Small Cabinets are now available in addition to our Medium and Large Cabinets, completing our offering of RobustAire systems with AireGuard Cabinet Technology. Utilizing this new approach to airflow, compressor cabinets are kept cooler and cleaner. Read more about the new Small Cabinets here.

Warranty periods:

  • Diffuser: Lifetime
  • Cabinet: Lifetime
  • Tubing: 15 years
  • Compressor Motor: 3 years
  • Compressor Piston Cups & Cylinders: 2 years

Click here to request a RobustAire™ custom layout.

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About

Features

No-Cabinet Packages

Post Mount Packages

NEW Small Cabinet Packages

Medium Cabinet Packages

Large Cabinet Packages

50HZ Units (International)

AireGuard Cabinet Technology
Kasco patented AireGuard Cabinet Technology tackles the biggest stressors on compressor operation: heat and dust. With this innovative design, air is immediately passed through an external filtration layer that removes excess dust and debris. Powerful fans then pull this clean air through the compressor, instead of across it, allowing the compressor to stay much cooler and operate at extreme efficiency. The dual-action filtering and air movement acts as a safeguard for the compressor motor and entire system, allowing RobustAire to provide a reliable source of mixing and movement to the water. 
 
This technology is offered in Kasco Small (NEW), Medium and Large Cabinets. These cabinets feature a sleek new look, external maintenance indicators, easy-to-remove panels for scheduled maintenance, quiet operation, and a paint color that seamlessly blends with the environment.

Cabinet Options

  • NEW Small Cabinet (1-3 diffusers)
  • Medium Cabinets (4-6 diffusers)
  • Large Cabinet (7-12 diffusers)
  • Post Mount Cabinet (1-3 diffusers) – For installations where compressor cabinets can be mounted above the ground
  • No-Cabinet (1-3 diffusers)

Common Applications

  • Backyard ponds & lakes
  • Industrial
  • Mixing
  • Winterkill prevention
  • Waterfowl protection

AireGuard Cabinet Technology
Kasco patented AireGuard Cabinet Technology tackles the biggest stressors on compressor operation: heat and dust. With this innovative design, air is immediately passed through an external filtration layer that removes excess dust and debris. Powerful fans then pull this clean air through the compressor, instead of across it, allowing the compressor to stay much cooler and operate at extreme efficiency. The dual-action filtering and air movement acts as a safeguard for the compressor motor and entire system, allowing RobustAire to provide a reliable source of mixing and movement to the water. 
 
This technology is offered in Kasco Small (NEW), Medium and Large Cabinets. These cabinets feature a sleek new look, external maintenance indicators, easy-to-remove panels for scheduled maintenance, quiet operation, and a paint color that seamlessly blends with the environment.

Cabinet Options

  • NEW Small Cabinet (1-3 diffusers)
  • Medium Cabinets (4-6 diffusers)
  • Large Cabinet (7-12 diffusers)
  • Post Mount Cabinet (1-3 diffusers) – For installations where compressor cabinets can be mounted above the ground
  • No-Cabinet (1-3 diffusers)

Common Applications

  • Backyard ponds & lakes
  • Industrial
  • Mixing
  • Winterkill prevention
  • Waterfowl protection

All RobustAire™ diffused aeration systems are available with an optional remote manifold allowing the compressor to be installed up to a mile away from the water’s edge.

Packages include:

  • Diffuser assembly
  • Compressor mounting option
  • Compressor(s)
  • Some models include tubing (see cut sheet for details)

System Features:

  • Great for depths 8 ft. and deeper
  • 34% quieter than previous models
  • Large filters on compressors feature maintenance indicator alerting when cleaning is needed
  • No electricity required in the water
  • Speeds up organic decomposition
  • Creates open water, preventing ice damage
  • Designed for continuous operation
Part Number
Number of Diffusers
Voltage
Phase
Compressor
Amps
Rolls of 3/8 in. Tubing (each roll is 100 ft.)
RA1-NC
1
120
1
KM-60C (1/4HP x 1)
2.5
1
RAH1-NC
1
208-240
1
KM-60HC (1/4HP x 1)
1.25
1
RA2-NC
2
120
1
KM-60C (1/4HP x 1)
2.5
2
RAH2-NC
2
208-240
1
KM-60HC (1/4HP x 1)
1.25
2
RA3-NC
3
120
1
KM-120C (1/2HP x 1)
3.5
3
RAH3-NC
3
208-240
1
KM-120HC (1/2HP x 1)
1.75
3

Product Notes:

  1. Remote manifold systems are available allowing installations long distances from power. Add “-RM” to the end of any part number above.
  2. System 2 (RA2-NC) is available with (1) 1/2HP compressor for more air flow. Add “-DP” to the end of any RA2-NC part number.
  3. No-Cabinet packages include tubing.
Part Number
Number of Diffusers
Voltage
Phase
Compressor
Amps
Rolls of 3/8 in. Tubing (each roll is 100 ft.)
RA1-PM
1
120
1
KM-60C (1/4HP x 1)
2.5
1
RAH1-PM
1
208-240
1
KM-60HC (1/4HP x 1)
1.25
1
RA2-PM
2
120
1
KM-60C (1/4HP x 1)
2.5
2
RAH2-PM
2
208-240
1
KM-60HC (1/4HP x 1)
1.25
2
RA3-PM
3
120
1
KM-120C (1/2HP x 1)
3.5
3
RAH3-PM
3
208-240
1
KM-120HC (1/2HP x 1)
1.75
3

Product Notes:

  1. Remote manifold systems are available allowing installations long distances from power. Add “-RM” to the end of any part number above.
  2. System 2 (RA2-PM) is available with (1) 1/2HP compressor for more air flow. Add “-DP” to the end of any RA2-PM part number.
  3. Post Mount packages include tubing.
Part Number
Number of Diffusers
Voltage
Phase
Compressor
Amps
Rolls of 3/8 in. Tubing (each roll is 100 ft.)
RA1
1
120
1
KM-60C (1/4HP x 1)
2.5
1
RAH1
1
208-240
1
KM-60HC (1/4HP x 1)
1.25
1
RA2
2
120
1
KM-60C (1/4HP x 1)
2.5
2
RAH2
2
208-240
1
KM-60HC (1/4HP x 1)
1.25
2
RA3
3
120
1
KM-120C (1/2HP x 1)
3.5
3
RAH3
3
208-240
1
KM-120HC (1/2HP x 1)
1.75
3

Product Notes:

  1. Remote manifold systems are available allowing installations long distances from power. Add “-RM” to the end of any part number above.
  2. System 2 (RA2) is available with (1) 1/2HP compressor for more air flow. Add “-DP” to the end of any RA2 part number.
  3. Small Cabinet systems can be mounted off the ground with available mounting bracket. Bracket sold separately.
  4. Small Cabinet systems include tubing.
Part Number
Number of Diffusers
Voltage
Phase
Compressor
Amps
RA4
4
120
1
KM-120C (1/2HP x 2)
7
RAH4
4
208-240
1
KM-120HC (1/2HP x 2)
3.5
RA5
5
120
1
KM-120C (1/2HP x 2)
7
RAH5
5
208-240
1
KM-120HC (1/2HP x 2)
3.5
RA6
6
120
1
KM-120C (1/2HP x 2)
7
RAH6
6
208-240
1
KM-120HC (1/2HP x 2)
3.5

Product Notes:

  1. Medium Cabinet Systems 4 – 6 do not include tubing. Tubing must be ordered separately.
  2. Remote manifold systems are available allowing installations long distances from power. Add “-RM” to the end of any part number above
Part Number
Number of Diffusers
Voltage
Phase
Compressor
Amps
RA7
7
120
1
KM-120C (1/2HP, x3)
10.5
RAH7
7
208-240
1
KM-120HC (1/2HP, x3)
5.25
RA8
8
120
1
KM-120C (1/2HP, x3)
10.5
RAH8
8
208-240
1
KM-120HC (1/2HP, x3)
5.25
RA9
9
120
1
KM-120C (1/2HP, x3)
10.5
RAH9
9
208-240
1
KM-120HC (1/2HP, x3)
5.25
RA10
10
120
1
KM-120C (1/2HP, x4)
14
RAH10
10
208-240
1
KM-120HC (1/2HP, x4)
7
RA11
11
120
1
KM-120C (1/2HP, x4)
14
RAH11
11
208-240
1
KM-120HC (1/2HP, x4)
7
RA12
12
120
1
KM-120C (1/2HP, x4)
14
RAH12
12
208-240
1
KM-120HC (1/2HP, x4)
7

Product Notes:

  1. Large Cabinet Systems 7 – 12 do not include tubing. Tubing must be ordered separately.
  2. Remote manifold systems are available allowing installations long distances from power. Add “-RM” to the end of any part number above.
50HZ Models
Cabinet
Number of Diffusers
Voltage
Compressor
Amps
RAE1-NC
No-Cabinet
1
220
KM-60HC (1/4HP x 1)
1.25
RAE2-NC
No-Cabinet
2
220
KM-120HC (1/2HP x 1)
1.75
RAE3-NC
No-Cabinet
3
220
KM-120HC (1/2HP x 1)
1.75
RAE1-PM
Post Mount Cabinet
1
220
KM-60HC (1/4HP x 1)
1.25
RAE2-PM
Post Mount Cabinet
2
220
KM-120HC (1/2HP x 1)
1.75
RAE3-PM
Post Mount Cabinet
3
220
KM-120HC (1/2HP x 1)
1.75
RAE1
Small Cabinet
1
220
KM-60HC (1/4HP x 1)
1.25
RAE2
Small Cabinet
2
220
KM-120HC (1/2HP x 1)
1.75
RAE3
Small Cabinet
3
220
KM-120HC (1/2HP x 1)
1.75
RAE4
Medium Cabinet
4
220
KM-120HC (1/2HP x 2)
3.5
RAE5
Medium Cabinet
5
220
KM-120HC (1/2HP x 2)
3.5
RAE6
Medium Cabinet
6
220
KM-120HC (1/2HP x 2)
3.5
RAE7
Large Cabinet
7
220
KM-120HC (1/2HP x 3)
5.25
RAE8
Large Cabinet
8
220
KM-120HC (1/2HP x 3)
5.25
RAE9
Large Cabinet
9
220
KM-120HC (1/2HP x 3)
5.25
RAE10
Large Cabinet
10
220
KM-120HC (1/2HP x 4)
7
RAE11
Large Cabinet
11
220
KM-120HC (1/2HP x 4)
7
RAE12
Large Cabinet
12
220
KM-120HC (1/2HP x 4)
7

Product Notes:

  1. RAE Systems do not include tubing. Tubing must be ordered separately.
  2. Remote manifold systems are available allowing installations long distances from power. Add “-RM” to the end of any part number above.

NEW Small RobustAire Cabinets

Patented AireGuard Cabinet Technology now available in small compressor cabinets.

Vital Mixing for Your Water

Restore your water's natural ecosystem by adding beneficial water mixing and movement.

 

 

Featured Product Testimonials

"I put this in my 3/4 acre swimming pond, It kept the water clean, clear and funk free. Having no electricity running into your pond makes this the safest, most effective way, to have a healthy pond."

- Keith
“Winyah has installed RobustAire™ in pond that is directly connected to salt water systems (27-32 ppt). This oxygen increase has increased bacteria activity and is obvious by the reduction of organics on the pond bottom. The system has operated flawlessly since installation in 2013, and has resulted in the sale of another system to a resident of the Home Owner Association.”

- Sam
“This is the Don Ho of tiny bubbles. With regulators requiring stricter water quality discharge standards in marinas, this version improves water flow 10 to 40 percent and solves several design challenges other manufacturers face trying to improve aquatic conditions.”

- Chris