Model vs model
Fohen Modena Digital 100
vs Grohe Red Duo L-Size
The Fohen Modena Digital 100 lists at £529, £1,096 less than the Grohe Red Duo L-Size at £1,625.
Every number below comes from the manufacturers' own specification sheets. We highlight which tap leads on each spec; what matters most for your kitchen is your call.

Grohe
Grohe Red Duo L-Size
99°C filtered boiling water plus a full hot-and-cold mixer
Typical price: £1,625
Full review →The differences at a glance
- The Fohen Modena Digital 100 lists at £529, £1,096 less than the Grohe Red Duo L-Size at £1,625.
- The Fohen Modena Digital 100 dispenses at 100°C; the Grohe Red Duo L-Size tops out at 99°C.
- Tank capacity: 5.5 L on the Grohe Red Duo L-Size versus 2.5 L on the Fohen Modena Digital 100. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
- The Grohe Red Duo L-Size ships with a 2-year warranty; the Fohen Modena Digital 100 with a 1-year warranty.
Full specification, side by side
Sourced from manufacturer datasheets. A tick marks the better number on specs where more or less is objectively better.
| Spec | Fohen Modena Digital 100 | Grohe Red Duo L-Size |
|---|---|---|
| Typical price | £529✓ | £1,625 |
| Boiling temperature | 100°C✓ | 99°C |
| Tank capacity | 2.5 L | 5.5 L |
| Idle power | - | - |
| Peak power | 2000 W | 2100 W |
| Flow rate | - | - |
| Filtered water | Yes | Yes |
| Sparkling water | No | No |
| Chilled water | No | No |
| Filter type | carbon and phosphate | BWT active carbon |
| Finishes | 4✓ | 2 |
| Warranty | 1 years | 2 years✓ |
| Released | - | - |
Strengths and trade-offs
Fohen Modena Digital 100
What we like
- Genuine 100°C dispense, rare in the Fohen range
- 2 kW digital boiler with an eco mode to 60°C
- Larger 2.5L tank than the Pro range
- Published power and flow-rate figures
Watch out for
- Only a 1-year standard warranty
- A 3-in-1, fewer functions than the 4-in-1 Pro taps
- Fohen notes the digital display is not very bright
- Dispensed temperature can dip below 100°C
Grohe Red Duo L-Size
What we like
- Boiling, filtered and a full hot-and-cold mixer in one tap, no second tap hole
- Large 5.5L boiling reserve (7L total) on the L-size boiler
- Child-safe touch-button dispensing with ChildLock as standard
- Sells around £1,625 at UK specialists, far below the £2,578 list price
Watch out for
- 99°C dispense, not a true 100°C boil (despite Grohe’s "100°C" marketing)
- At around £1,625 it is still a premium tap, though far below its £2,578 list
- BWT filter must be changed yearly or every ~600L, an ongoing cost
- Standard guarantee is 2 years (3 only with registration), shorter than InSinkErator or Franke