
Warranty
Lifetime Coverage
- Diffuser assembly: Lifetime warranty
- Cabinet: Lifetime warranty
- Designed for long-term structural durability
Extended System Coverage
- SureSink weighted tubing: 15-year warranty
- Compressor motor: 3-year warranty
- Built for dependable long-term aeration performance
Wear Components
- Compressor piston cups: 2-year warranty
- Compressor cylinders: 2-year warranty
- Applies under normal use and service conditions
Warranty coverage for RobustAire™ Diffused Aeration systems applies to RA1 through RA12 configurations, including RA2DP, based on the current manufacturer warranty information. Refer to the latest Kasco documentation for full warranty terms, exclusions, and service procedures.
Components Included
Compressor Cabinet
- Shore-mounted compressor enclosure
- High-output aeration system design
- Built for dependable outdoor operation
Airline & Distribution
- Weighted airline tubing
- Connection fittings and manifold setup
- Designed for multi-zone diffuser distribution
Diffuser Assembly
- 1 to 12 diffuser configurations depending on model
- Bottom-mounted diffuser stations
- Designed for efficient pond and lake circulation
Included components vary by selected model and diffuser quantity. Confirm airline length, diffuser count, and system sizing before finalizing the package.
Technical Specifications
| Model | Configuration | Compressor Type | Diffusers | Typical Application | Coverage Class |
|---|---|---|---|---|---|
| RA1 | Single Zone | Rocking Piston | 1 | Smaller large ponds | Entry |
| RA2 | Multi-Zone Ready | Rocking Piston | 2 | Residential and farm ponds | Entry |
| RA2DP | Double Piston | Double Piston Compressor | 2 | Higher-output two-diffuser systems | Enhanced Entry |
| RA3 | Multi-Zone | Rocking Piston | 3 | Mid-size ponds | Mid |
| RA4 | Multi-Zone | Rocking Piston | 4 | Larger ponds | Mid |
| RA5 | Multi-Zone | Rocking Piston | 5 | Larger multi-area ponds | Mid |
| RA6 | Multi-Zone | High-Capacity Compressor | 6 | Large ponds and small lakes | High |
| RA7 | Multi-Zone | High-Capacity Compressor | 7 | Large ponds and lakefront properties | High |
| RA8 | Multi-Zone | High-Capacity Compressor | 8 | Lake and commercial applications | High |
| RA9 | Multi-Zone | High-Capacity Compressor | 9 | Large lake aeration zones | High |
| RA10 | Multi-Zone | High-Capacity Compressor | 10 | Large-scale pond management | High |
| RA11 | Multi-Zone | High-Capacity Compressor | 11 | Commercial and institutional water bodies | High |
| RA12 | Multi-Zone | High-Capacity Compressor | 12 | Maximum coverage lake aeration | High |
RobustAire™ systems are designed for larger ponds and lakes that require broader bottom-diffused aeration coverage. Select the correct model based on pond size, basin layout, depth profile, and oxygen demand.
Model Options
The RobustAire™ lineup offers multiple diffuser configurations to match different pond sizes, layouts, and aeration coverage requirements, from smaller multi-zone setups to large-scale lake systems.
RA1 / RA2 / RA2DP
- Entry-level to enhanced entry systems
- 1 or 2 diffuser configurations
- RA2DP includes double piston design
- Ideal for smaller large-pond applications
- Good fit for residential and farm ponds
RA3 / RA4 / RA5
- Mid-range multi-zone aeration systems
- 3, 4, or 5 diffuser configurations
- Designed for expanded pond coverage
- Suitable for larger and more complex pond layouts
- Balanced capacity for broader aeration zones
RA6 – RA12
- High-capacity multi-zone systems
- 6 to 12 diffuser configurations
- Designed for large ponds and lake applications
- Supports wide aeration coverage
- Ideal for large-scale water management needs
Key Features
Powerful Bottom Diffusion
- Promotes full water column circulation
- Helps improve dissolved oxygen levels
- Supports healthier pond and lake ecosystems
Built for Larger Water Bodies
- Designed for larger ponds and lake applications
- Expanded diffuser coverage across multiple zones
- Suitable for demanding aeration requirements
Durable Shore-Mounted System
- Weather-resistant cabinet design
- High-output compressor system
- Engineered for long-term outdoor operation