BWT's Bestmax water filter protects coffee machines from limescale build-up and comes with a special advantage in filtration and preserving water quality. The filter significantly improves the taste of the water through mineralization to a higher magnesium content, ensuring optimal results for coffee! The product is also available in size M.
Key advantages:
- 5-stage filtration – comprehensive, thorough water purification at every stage.
- Reliable limescale protection for machines – extends the life of the coffee machine and maintains its performance over time.
- Ideal mineralization to a higher magnesium content – ensures optimal extraction results for coffee.
- Activated carbon fleece – ensures consistently clear water.
- Filtration of bypass water too – full coverage of the entire flow.
- Easy handling when replacing the filter – simple, quick maintenance.
- Horizontal or vertical installation – maximum installation flexibility.
- A unique PREMIUM filtration system – for coffee and automatic machines.
- BWT's patented magnesium technology – unique and exclusive to BWT.
- Simple installation – using the universal BWT besthead FLEX connection technology.
- Space-saving, easy-to-use design – fits any kitchen.
Technical features:
- Model: Bestmax Premium XL
- SKU: FS28P00A00
- Filtration stages: 5
- Technology: BWT Magnesium Technology (patented)
- Connection: universal BWT besthead FLEX
- Installation orientation: horizontal or vertical
- Applications: automatic coffee machines, espresso machines, coffee appliances
- Filtration capacity at 240 ppm water hardness: up to 3,340 liters (machines without steam) / up to 2,785 liters (espresso with steam). With softer water — more liters
- Setting according to the inlet water: a besthead FLEX head with a bypass set according to the carbonate hardness of the inlet water (settings 1–3)
At BEILIN H2O we recommend the Bestmax Premium XL filter for anyone looking for maximum protection for their coffee machine, along with a significant improvement in coffee taste – the perfect choice for true coffee lovers.
Technical specifications
| Manufacturer model | BWT bestmax PREMIUM XL |
|---|---|
| Filtration capacity | 5,160 liters (vending machines without steam) / 4,300 liters (hot drink preparation with steam) — at total hardness 10°dH, bypass 3 |
| Dimensions (height × diameter) | 512 × 147 mm (total height; connection height 451 mm) |
| Weight | 3.8 kg dry / 6.0 kg wet |
| Working pressure | 2–8 bar |
| Water temperature | 4–30°C (ambient 4–40°C) |
| Connection | 3/8″ × 3/8″ (via the filter head); horizontal or vertical installation |
| Filter media | BWT magnesium technology, activated carbon, ion exchanger and fine particle filtration |
| Validity/recommended replacement | Every 6 months, at the latest 12 months or on reaching capacity |










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