Kasco Robust Aire Diffused Aeration System

Why Choose Bottom Diffused Aeration? If your pond or lake is deeper than 8 feet, has serious stratification problems, or you simply want no electricity anywhere near the water, bottom diffused aeration is the most effective solution available. The Kasco RobustAire works by pushing air from a shore-mounted compressor through self-weighted tubing to a diffuser sitting on the pond bottom, where thousands of tiny bubbles rise through the entire water column, mixing oxygen from the bottom up rather than just at the surface. This bottom-to-top approach breaks up the thermally stratified layers that suffocate fish and accelerate muck buildup, speeds up organic decomposition on the pond floor, prevents winter ice damage by keeping water moving, and discourages the weed and algae growth that thrives in stagnant conditions. Because the compressor sits safely on shore and no electricity ever enters the water, it is also the safest aeration option for swimming ponds, public lakes, and any application where people or animals are in or around the water. Systems scale from a single diffuser for a small backyard pond all the way up to 12 diffusers for large commercial and municipal applications, and the compressor can be installed up to a mile from the water's edge using an optional remote manifold. Aerates from the bottom up so the entire water column gets oxygenated, not just the surface: A shore-mounted compressor pushes air through self-weighted tubing to a diffuser sitting on the pond or lake bottom, where rising bubbles mix oxygen from the deepest point all the way to the top Proven to be 11 to 44 percent more efficient than the competition: Third-party tested oxygen transfer rates confirm RobustAire outperforms competing diffused aeration systems across the board Prevents algae blooms, weed overgrowth, foul odors, and fish kills at the source: Consistent bottom-to-top water movement eliminates the stagnant, stratified, low-oxygen conditions that cause every one of these problems No electricity in the water at any point: All electrical components stay safely on shore inside the compressor cabinet, making this the safest aeration option for swimming ponds, public lakes, and any water where people or animals are present Compressor stays cooler and cleaner with patented AireGuard Cabinet Technology: Air is pulled through an external filtration layer first to remove dust and debris, then drawn directly through the compressor rather than across it, dramatically reducing heat buildup and extending compressor life A maintenance indicator tells you exactly when the filter needs attention: A large external filter minder shows a red band when cleaning is required so there is no guesswork and no scheduled tear-downs to check the system 34 percent quieter than previous RobustAire models: Redesigned cabinet and airflow system operates at significantly lower noise levels, making it appropriate for residential and recreation settings Compressor can be installed up to a mile from the water: The optional remote manifold system allows installations where running power directly to the waterside is not practical or permitted Speeds up organic decomposition on the pond floor: Oxygen-rich water introduced at the bottom accelerates the natural breakdown of muck and organic matter that accumulates over time Creates and maintains open water through winter to prevent ice damage and winterkill: Running the system during freezing temperatures keeps water moving at the diffuser locations, protecting fish and preventing the ice pressure damage that kills fish and degrades pond structure Scales from a single backyard pond up to large commercial and industrial applications: Systems are available with 1 to 12 diffusers, covering everything from a small residential water feature to a large municipal or industrial lagoon Great for ponds and lakes 8 feet deep and deeper: Diffused aeration becomes increasingly effective as depth increases, making it the preferred choice where surface aerators lose efficiency Built with the longest-lasting components in its class: The diffuser and cabinet carry a lifetime warranty, the weighted tubing carries a 15-year warranty, and the compressor motor carries a 3-year warranty Diffuser always lands right side up regardless of how it enters the water: The self-righting diffuser design ensures correct positioning on the pond bottom every time with no diving or repositioning required Filter replacement is a simple on-site task requiring no tools and no service call: The air filter threads in by hand and the maintenance indicator resets with the push of a button What's Included RobustAire diffuser assembly (quantity based on system) Shore-mounted compressor (quarter HP or half HP depending on model) Compressor cabinet (Small, Medium, or Large depending on system) or no-cabinet bracket and cooling fan SureSink weighted tubing in 100-foot rolls (included with 1 to 3 diffuser systems) Manifold assembly for multi-diffuser systems Barb fittings, hose clamps, and compressor hose Vibration isolation feet for compressor Air intake filter and filter minder maintenance indicator Intake hose and intake block Technical Specifications Part Number RA1 (120V) & RAH1 (240V) RA2 (120V) & RAH2 (240V) RA3 (120V) & RAH3 (240V) RA4 (120V) & RAH4 (240V) RA5 (120V) & RAH5 (240V) RA6 (120V) & RAH6 (240V) RA7 (120V) & RAH7 (240V) RA8 (120V) & RAH8 (240V) RA9 (120V) & RAH9 (240V) RA10 (120V) & RAH10 (240V) RA11 (120V) & RAH11 (240V) RA12 (120V) & RAH12 (240V) Number of Compressors One 1/4 HP TeichAire Motor One 1/4 HP TeichAire Motor One 1/2 HP TeichAire Motor Two 1/2 HP TeichAire Motors Two 1/2 HP TeichAire Motors Two 1/2 HP TeichAire Motors Three 1/2 HP TeichAire Motors Three 1/2 HP TeichAire Motors Three 1/2 HP TeichAire Motors Four 1/2 HP TeichAire Motors Four 1/2 HP TeichAire Motors Four 1/2 HP TeichAire Motors No. of Diffusers 1 2 3 4 5 6 7 8 9 10 11 12 Voltage 120V or 240V 120V or 240V 120V or 240V 120V or 240V 120V or 240V 120V or 240V 120V or 240V 120V or 240V 120V or 240V 120V or 240V 120V or 240V 120V or 240V Phase 1 1 1 1 1 1 1 1 1 1 1 1 Amps 2.5, 1.25 2.5, 1.25 3.5, 1.75 7, 3.5 7, 3.5 7, 3.5 10.5, 5.25 10.5, 5.25 10.5, 5.25 14, 7 14, 7 14, 7 Tubing Kit 100 FT 200 FT 300 FT Optional Optional Optional Optional Optional Optional Optional Optional Optional Cabinet Options No Cabinet (Would come with Mounting Base), Post Mount Bracket, or Base Mount Cabinet No Cabinet (Would come with Mounting Base), Post Mount Bracket, or Base Mount Cabinet No Cabinet (Would come with Mounting Base), Post Mount Bracket, or Base Mount Cabinet Base Cabinet (Medium Size) Base Cabinet (Medium Size) Base Cabinet (Medium Size) Base Cabinet (Large Size) Base Cabinet (Large Size) Base Cabinet (Large Size) Base Cabinet (Large Size) Base Cabinet (Large Size) Base Cabinet (Large Size) Manuals RobustAire Flyer RobustAire Small Cabinet Manual RobustAire Medium Cabinet Manual RobustAire Large Cabinet Manual RobustAire Owner's Manual (Base Mount, Post Mount, & No-Cabinet) RobustAire Diffuser Assembly Remote Manifold Installation Instructions (RA1-3 Systems) Remote Manifold Installation Instructions (RA4-12 Systems) 50Hz RobustAire Small Cabinet Manual 50Hz RobustAire Medium Cabinet Manual 50Hz RobustAire Large Cabinet Manual RobustAire Diffuser SureSink Tubing Instructions RobustAire Diffuser Testing Summary Testing for Fine Bubble Diffusers