Best Water Technology (BWT) is a global leader in water treatment, offering high-performance systems that ensure optimal water quality for drinking, coffee, and tea. With their advanced filtration technology, BWT products remove impurities, protect brewing equipment from limescale, and enhance the taste of your beverages. Whether you’re in a café looking for perfect water for espresso and tea or at home seeking better-tasting water, BWT has solutions that deliver. Choose BWT for superior water quality and consistency in every cup.
Please contact us to make a BWT enquiry order.
Filter selector
Find the right BWT filter for your water.
Slide in how much water you use and how hard it is. We'll match a BWT cartridge, size and bypass setting, and show how often to change it.
Not sure? Most NZ town supplies are soft. Your council's water quality report lists total hardness, or we can test it for you.
Based on
- CapacitiesBWT datasheets, ±5%
- Maximum cartridge life12 months
- Water per coffee (rough guide, incl. steam & rinsing)0.12 L
- Water used per year—
- Capacity at your hardness—
- Bypass setting on the filter head—
- Change the cartridge every—
- Cartridges per year—
- Cartridge cost per year—
Your volume is above what one cartridge handles in 12 months, so you'll change it more often. For very high volumes, ask us about a twin system.
A guide only. Capacities are from BWT's datasheets and vary with local water and flow. Trade customers: log in to see wholesale prices. We're happy to test your water and size the filter with you.