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Description
EPS AquaSilk Maxi 21 L Water Softener
The AquaSilk Maxi 21 L from EPS is our largest domestic softener in the AquaSilk range, made for large households or properties with multiple bathrooms. Built with high capacity and efficiency, it delivers soft water protection for plumbing, appliances, laundry and skin, with minimal salt use thanks to its EPS DC valve and up-flow regeneration.
Main benefits
- 21 L premium resin tank with large 46 kg salt storage, so less frequent refilling
- Operating flow around 1.7 m³/h to handle demand from multiple outlets
- Quiet & efficient operation with EPS DC control valve and up-flow regeneration
- Slim cabinet design, despite large capacity (1056 × 230 × 420 mm)
- Wide operating tolerances: works between 2-6 bar pressure, 1-39 °C water temperature
- Standard plumbing: ¾″ inlet & outlet connections
Key specifications
- Resin capacity: 21 L
- Suits seven or more people, or houses with four or more bathrooms
- Salt storage: 46 kg
- Flow rate: ~ 1.7 m³/h
- Unit dimensions (H×W×D): 1056 × 230 × 420 mm
- Plumbing connections: ¾″ inlet/outlet
- Operating pressure: 2-6 bar
- Water temperature range: 1-39 °C
- Electrical: 100-240 V AC input → 12 V DC 1.0 A output
Need sizing or installation help?
The Maxi is for seven or more people, or four or more bathrooms. Smaller households suit the Mini or Midi. Our size calculator works it out in a few taps, and we offer professional installation by our own plumbers.
What’s included
- AquaSilk Maxi 21 L resin softener unit (tank + DC control valve)
- Built-in brine well kit
- ¾″ connection fittings
- Instruction manual
Installation & Care Notes
- Install on a cold mains water supply; ensure adequate space for the tall cabinet
- Maintain pressure between 2-6 bar for optimal performance
- Temperature must stay within 1-39 °C
- Regenerate as needed; check salt level periodically
- Check every plumbing connection carefully to avoid leaks
Related Products
If you need a full range of water softener spares, we also stock bypass assemblies, control valves, resin refills, and accessories.
Spread the cost with flexible Humm finance. Pay for your AquaSilk Maxi 21 L Water Softener and installation in easy monthly instalments (subject to credit approval). Select Humm at checkout or contact us for details.