Model vs model
Arno Square 4-in-1
vs Franke Instante
The Arno Square 4-in-1 lists at £499, £251 less than the Franke Instante at £750.
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.

Franke
Franke Instante
Franke's current 4-in-1: boiling, filtered, hot and cold
Typical price: £750
Full review →The differences at a glance
- The Arno Square 4-in-1 lists at £499, £251 less than the Franke Instante at £750.
- The Franke Instante dispenses at 100°C; the Arno Square 4-in-1 tops out at 98°C.
- Tank capacity: 4 L on the Franke Instante versus 2.4 L on the Arno Square 4-in-1. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
- The Franke Instante ships with a 5-year warranty; the Arno Square 4-in-1 with a 3-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 | Arno Square 4-in-1 | Franke Instante |
|---|---|---|
| Typical price | £499✓ | £750 |
| Boiling temperature | 98°C | 100°C✓ |
| Tank capacity | 2.4 L | 4 L |
| Idle power | 11 W | - |
| Peak power | 1500 W | - |
| Flow rate | - | - |
| Filtered water | Yes | Yes |
| Sparkling water | No | No |
| Chilled water | No | No |
| Filter type | 2-stage filter: PP cotton + activated carbon block | - |
| Finishes | 4✓ | 2 |
| Warranty | 3 years | 5 years✓ |
| Released | 2023 | - |
Strengths and trade-offs
Arno Square 4-in-1
What we like
- £499 RRP delivers 4-in-1 cheaper than most rivals
- 2-stage filtration removes chlorine and heavy metals
- 360° swivel spout handles pot-filling and rinsing
- Child-safe spring-loaded boiling dispense as standard
Watch out for
- 98°C ceiling not true 100°C boiling
- 2.4L tank yields only 7-8 cups before recovery
- Limited independent reviews outside Arno marketing
- Newer brand lacks long-term UK reliability track record
Franke Instante
What we like
- Current Franke 4-in-1: boiling, filtered, hot and cold from one tap
- Built-in filtration and tank included, no separate module needed
- Genuine 100°C boiling water
- 5-year manufacturer guarantee, longer than most rivals
Watch out for
- Filtered cold water, not actively chilled
- Narrow finish range at launch
- Newer model with a thinner independent-review record than the Omni it replaces
