Grohe Blue L-Size Replacement Filter Cartridge (2500L) — 40412001
The Grohe 40412001 is an authentic original equipment manufacturer (OEM) high-capacity L-Size replacement filter cartridge engineered in partnership with water treatment specialists BWT. Designed for high-volume domestic kitchens, offices, and commercial settings, this 2,500-litre cartridge purifies tap water through an advanced 5-stage filtration process. It significantly reduces carbonate hardness (limescale), filters out chlorine, organic compounds, and heavy metals, while preserving essential, health-beneficial minerals for pure-tasting drinking and boiling water.
Identification Guide:
MPN: 40412001 | EAN: 4005176985072 | Brand: GROHE | Product Type: Water Filter Cartridge | Filter Size: L-Size (Large) | Rated Capacity: 2500 Litres at 20° dKH (or max 12 months)
Key Features
- 5-Stage BWT Filtration: Non-woven pre-filter, activated carbon pre-filter, high-capacity ion-exchange resin, activated carbon secondary filter, and fine particle post-filter.
- High-Volume Capacity (2500L): Delivers 2,500 litres of purified water at 20° carbonate hardness (dKH), reducing cartridge change frequency in demanding environments.
- Boiler & Chiller Protection: Prevents limescale buildup on heating elements and within cooling lines to prolong appliance life and maintain energy efficiency.
- Direct Bayonet Connection: Simple twist-in, twist-out fitting allows quick filter changes without needing to isolate the mains water supply.
Installation & Fitment Guide
Important Compatibility Warning: This L-Size filter is NOT suitable for GROHE Blue Home systems due to physical height and cabinet restrictions.
Confirmed Model Compatibility:
- Boiling Water Kitchen Taps:
- Grohe Red Duo Kitchen Tap & Large Size Boiler (C Spout - Chrome)
- Grohe Red Duo Kitchen Tap & Large Size Boiler (L-Spout - Chrome)[cite: 2]
- Grohe Red Duo Kitchen Tap & Medium Size Boiler (C Spout - Chrome)[cite: 2]
- Grohe Red Duo Kitchen Tap & Medium Size Boiler (C Spout - Supersteel)[cite: 2]
- Grohe Red Duo Kitchen Tap & Medium Size Boiler (L Spout - Supersteel)[cite: 2]
- Grohe Red Duo Kitchen Tap & Medium Size Boiler (L-Spout - Chrome)[cite: 2]
- Grohe Red Mono pillar tap & single boiler[cite: 2]
- Filtered Kitchen Taps:
- Grohe Blue Professional[cite: 2]
- Grohe Blue Professional Starter Kit (Supersteel)[cite: 2]
- Grohe Blue Pure Minta[cite: 2]
- Grohe Blue Pure Mono Starter Kit (Chrome)[cite: 2]
- Grohe Blue Pure Starter Kit[cite: 2]
Note: Ensure cabinet height accommodates the taller L-size cylinder profile prior to fitting. Reset the filter counter on your tap, boiler/cooler unit, or Grohe app upon installation.