Model vs model
Qettle Signature Modern 4-in-1 (Round Spout, 7L)
vs Quooker Classic Fusion
The Qettle Signature Modern 4-in-1 (Round Spout, 7L) lists at £945, £505 less than the Quooker Classic Fusion at £1,450.
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.
For either tap. Free and no obligation.

Qettle
Qettle Signature Modern 4-in-1 (Round Spout, 7L)
Higher-capacity 7L boiler for larger households
Typical price: £945
Full review →
Quooker
Quooker Classic Fusion
Traditional styling with modern boiling
Typical price: £1,450
Full review →The differences at a glance
- The Qettle Signature Modern 4-in-1 (Round Spout, 7L) lists at £945, £505 less than the Quooker Classic Fusion at £1,450.
- Declared idle draw is 10 W for the Quooker Classic Fusion against 18 W for the Qettle Signature Modern 4-in-1 (Round Spout, 7L), which compounds into the standby cost difference below.
- Tank capacity: 7 L on the Qettle Signature Modern 4-in-1 (Round Spout, 7L) versus 3 L on the Quooker Classic Fusion. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
- The Qettle Signature Modern 4-in-1 (Round Spout, 7L) dispenses filtered drinking water; the Quooker Classic Fusion does not.
The two taps in a kitchen


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 | Qettle Signature Modern 4-in-1 (Round Spout, 7L) | Quooker Classic Fusion |
|---|---|---|
| Typical price | £945✓ | £1,450 |
| Boiling temperature | 100°C | 100°C |
| Tank capacity | 7 L | 3 L |
| Idle power | 18 W | 10 W✓ |
| Peak power | 1700 W | 1600 W |
| Flow rate | - | - |
| Filtered water | Yes✓ | No |
| Sparkling water | No | No |
| Chilled water | No | No |
| Filter type | Q08 extruded carbon block cartridge | Active carbon filter inside the tank |
| Finishes | 5✓ | 4 |
| Warranty | 2 years | 2 years |
| Released | 2022 | 2020 |
Standby energy
What the idle draw adds up to over a year.
Qettle Signature Modern 4-in-1 (Round Spout, 7L)
- Idle draw
- 18 W
- Standby energy / year
- 158 kWh
- Standby cost / year
- £43
Quooker Classic Fusion
- Idle draw
- 10 W
- Standby energy / year
- 88 kWh
- Standby cost / year
- £24
Assumes the manufacturer's declared idle wattage around the clock at £0.27/kWh (UK average, mid-2026). Real usage adds the energy to heat the water you actually draw. Run your own numbers in the running cost calculator.
Strengths and trade-offs
Qettle Signature Modern 4-in-1 (Round Spout, 7L)
What we like
- 7-litre tank serves up to 14 cups in one go, sized for larger households
- Four separate waterways and no electronic components in the tap
- Two-stage child safety: button and turn before boiling water flows
- Marine-grade stainless steel tap, engineered in the UK
Watch out for
- 20-minute initial heat-up and 15-minute recovery after a full tank
- Two-year warranty
Quooker Classic Fusion
What we like
- Traditional bridge-style spout suits period kitchens
- Patinated brass develops natural patina without lacquer
- Same PRO3 tank as Fusion Round (genuine 100°C)
Watch out for
- Patinated brass needs occasional beeswax application
- 3-in-1 only (no chilled/sparkling without CUBE upgrade)
- Most UK retailers list price as POA, transparency weaker
- Tap warranty 2 years matches rest of Quooker range
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- Qettle Signature Modern 4-in-1 (Round Spout, 7L) vs Quooker Nordic Round Single Tap →