BWT BestProtect V Water Filter Cartridge – FS23N00A00
The BWT BestProtect V FS23N00A00 is a premium water filter cartridge designed to protect professional coffee machines and espresso equipment from limescale and corrosion. Developed for demanding commercial applications, the BWT BestProtect filtration system helps maintain consistent water quality, protect valuable equipment and support the preparation of great-tasting coffee.
Its specialised filtration technology helps reduce unwanted minerals and substances in the water while retaining essential minerals that contribute to coffee flavour and aroma. Ideal for cafés, restaurants, hotels and other commercial beverage applications.
Key Features & Benefits
- Limescale protection: Helps prevent limescale deposits in commercial coffee machines and steam-generating equipment.
- Corrosion protection: Uses a specialised filtration process to deliver water with a high pH value, helping minimise the risk of corrosion.
- Consistent water quality: Activated carbon fleece helps produce clear, clean-tasting water.
- Coffee quality: Helps provide suitable water for professional coffee preparation while protecting equipment.
- Commercial applications: Suitable for cafés, restaurants, hotels and catering operations.
- Coffee machines, Espresso machines, Vending machines, Combi steamersEasy cartridge replacement: Designed for use with the compatible BWT besthead filter head.
Advanced Five Stage Filtering
Particle pre-filter
Activated carbon pre-filter with silver
High-performance ion exchanger
Activated carbon nonwoven with silver
Particle fine filter
Technical Specifications
| Specification | Details |
|---|---|
Brand | BWT |
Product range | BestProtect |
Filter size | V |
Part number | FS23N00A00 |
Height (without bracket) | 429 mm |
Height (with bracket) | 445 mm |
Cartridge diameter | 110 mm |
Connection | 3/8″ |
Operating pressure | 2–8 bar |
Water temperature | 4–30°C |
Installation | Vertical only |
Dry / wet weight | 2.1 kg / 3.2 kg |
Filter Capacity & Replacement
The BWT BestProtect V has a capacity that varies according to incoming water hardness and usage. For hot beverage preparation with steam generation, the manufacturer’s stated capacity ranges from approximately 556 litres at a total hardness of 25°dH or higher to at least 2,140 litres at 7°dH or lower.
For best performance, replace the cartridge regularly, typically after 6 months, and no later than 12 months or when its rated capacity is reached.
Important: A compatible BWT besthead filter head is required for installation. Check the water hardness and expected consumption to determine the appropriate replacement interval and filter capacity.




