boilingwatertap.

Model vs model

Qettle Signature Modern 4-in-1 (Round Spout, 7L)
vs Quooker Fusion Round

The Qettle Signature Modern 4-in-1 (Round Spout, 7L) lists at £945, £305 less than the Quooker Fusion Round at £1,250.

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.

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Qettle Signature Modern 4-in-1 boiling water tap with 7 litre tank

Qettle

Qettle Signature Modern 4-in-1 (Round Spout, 7L)

Higher-capacity 7L boiler for larger households

Typical price: £945

Full review →
Quooker Fusion Round boiling water tap in polished chrome

Quooker

Quooker Fusion Round

The iconic all-in-one in modern round form

Typical price: £1,250

Full review →

The differences at a glance

  • The Qettle Signature Modern 4-in-1 (Round Spout, 7L) lists at £945, £305 less than the Quooker Fusion Round at £1,250.
  • Declared idle draw is 10 W for the Quooker Fusion Round 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 Fusion Round. 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 Fusion Round does not.

The two taps in a kitchen

Qettle Signature Modern Round 7L tap beside a white sink with a bowl of lemons
The Qettle Signature Modern 4-in-1 (Round Spout, 7L) in a bright airy white kitchen. Visualisation composed from the manufacturer's product photo.
Quooker Fusion Round boiling water tap in golden-hour light, red ring visible
The Quooker Fusion Round in a soft minimalist kitchen at golden hour. Visualisation composed from the manufacturer's product photo.

Full specification, side by side

Sourced from manufacturer datasheets. A tick marks the better number on specs where more or less is objectively better.

Qettle Signature Modern 4-in-1 (Round Spout, 7L) vs Quooker Fusion Round specifications from manufacturer datasheets
SpecQettle Signature Modern 4-in-1 (Round Spout, 7L)Quooker Fusion Round
Typical price£945£1,250
Boiling temperature100°C100°C
Tank capacity7 L3 L
Idle power18 W10 W
Peak power1700 W1600 W
Flow rate--
Filtered waterYesNo
Sparkling waterNoNo
Chilled waterNoNo
Filter typeQ08 extruded carbon block cartridgeActive carbon filter inside the tank
Finishes57
Warranty2 years2 years
Released20222022

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 Fusion Round

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 Fusion Round

What we like

  • True 100°C delivery reported in T3's review
  • Vacuum-insulated tank consumes ~10W idle (~£24/year)
  • 7+ premium finishes including patinated brass and rose copper
  • Quooker UK holds high Trustpilot rating across 12,000+ reviews

Watch out for

  • £1,250 RRP roughly twice the Qettle equivalent
  • 2-year warranty on tap and tank (SWAP is a paid out-of-warranty tank replacement)
  • Filter/sparkling requires separate CUBE module (extra spend)
  • Trustpilot reports £455+ repair cost for out-of-warranty units

Get a supply and installation quote for the Qettle Signature Modern 4-in-1 (Round Spout, 7L) or Quooker Fusion Round

Still deciding? Name the tap you lean towards (or both) and we will approach installers who cover your area, for supply and fitting. Quotes come back to you. No obligation, and it costs you nothing.

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