Description
OASE AquaMax Gravity Eco 20000
Delivers exceptional performance and efficiency for professional pond filtration. It circulates up to 18,000 litres of water per hour while consuming only 120 watts, offering outstanding flow and energy savings for large koi and natural ponds. Designed for flexibility, it can be installed underwater or in dry conditions and is fully winter-proof, operating safely at temperatures down to –20 °C. Built with durable materials and precision engineering, it ensures long-term reliability and quiet operation.
✅ Key Features
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Robust, stable design with removable mount and stand
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Ideal for swimming and natural ponds, including use in external pump vaults
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Safe for year-round operation down to –20 °C
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Can be installed submerged or inline (dry)
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Includes adapter set for hose (2"/DA 63) and pipe (DN 75/DN 110) connections
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OASE Environmental Function Control (EFC) prevents dry running and blockage damage
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Handles solids up to 6 mm in size
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Flow-optimised impellers maximise energy efficiency
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Long-lasting and reliable under continuous use
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Designed for large, gravity-fed professional filtration systems
Technical Data
| Specification | Details |
|---|---|
| Dimensions (L × W × H) | 272 × 142 × 182 mm |
| Rated Voltage | 220–240 V / 50 Hz |
| Power Consumption | 120 W |
| Power Cable Length | 10 m |
| Net Weight | 4.5 kg |
| Warranty | 3 + 2 Years (upon registration) |
| Max. Flow Rate | 18,000 L/h |
| Max. Head Height | 2.2 m |
| Outlet Size | G 2 |
| Inlet Size | G 2 |
| Hose Connection | 2", DA 63, DN 75, DN 110 |
| Filter Intake Surface | 200 cm² |
| Max. Debris Size | 6 mm |
| Electronic Adjustment | No |
| Installation Type | Submersed or Inline (dry) |
Why Choose OASE
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High output with low energy consumption
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Built for professional filtration and large ponds
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Reliable in all seasons, including winter conditions
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Premium German manufacturing with up to 5 years total warranty