boilingwatertap.

Model vs model

Qettle Signature
vs Qettle Signature Modern 4-in-1 (4L)

The Qettle Signature lists at £795, £75 less than the Qettle Signature Modern 4-in-1 (4L) at £870.

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

Qettle

Qettle Signature

Compact 4-in-1 for smaller kitchens

Typical price: £795

Full review →
Qettle Signature Modern 4-in-1 boiling water tap with 4 litre tank

Qettle

Qettle Signature Modern 4-in-1 (4L)

Square-spout 100°C boiling tap in marine-grade stainless steel

Typical price: £870

Full review →

The differences at a glance

  • The Qettle Signature lists at £795, £75 less than the Qettle Signature Modern 4-in-1 (4L) at £870.
  • Declared idle draw is 11 W for the Qettle Signature against 14 W for the Qettle Signature Modern 4-in-1 (4L), which compounds into the standby cost difference below.
  • Tank capacity: 4 L on the Qettle Signature Modern 4-in-1 (4L) versus 2 L on the Qettle Signature. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.

The two taps in a kitchen

Qettle Signature boiling water tap in a Mediterranean kitchen with terracotta tiles
The Qettle Signature in a Mediterranean kitchen. Visualisation composed from the manufacturer's product photo.
Qettle Signature Modern 4L boiling water tap under warm lighting in a dark designer kitchen
The Qettle Signature Modern 4-in-1 (4L) in a designer kitchen at dusk. 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 vs Qettle Signature Modern 4-in-1 (4L) specifications from manufacturer datasheets
SpecQettle SignatureQettle Signature Modern 4-in-1 (4L)
Typical price£795£870
Boiling temperature100°C100°C
Tank capacity2 L4 L
Idle power11 W14 W
Peak power1300 W1500 W
Flow rate--
Filtered waterYesYes
Sparkling waterNoNo
Chilled waterNoNo
Filter typeQ08 extruded carbon block cartridgeQ08 extruded carbon block cartridge
Finishes35
Warranty2 years2 years
Released20232021

Where to buy

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Qettle Signature

No price-checked retailer offers for this model yet. Get a supply + installation quote instead →

Qettle Signature Modern 4-in-1 (4L)

  • Amazon UKCheck price at retailerView ↗

Standby energy

What the idle draw adds up to over a year.

Qettle Signature

Idle draw
11 W
Standby energy / year
96 kWh
Standby cost / year
£26

Qettle Signature Modern 4-in-1 (4L)

Idle draw
14 W
Standby energy / year
123 kWh
Standby cost / year
£33

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

What we like

  • Compact 2L tank fits tighter under-sink cabinets
  • Hits 100°C boiling matching premium-brand temperatures
  • £795 entry into Qettle's marine-grade Signature line
  • Trustpilot reviewers cite responsive UK customer service

Watch out for

  • 2L tank delivers only 4 mugs per fill in practice
  • Some users note aggressive water release on dispense
  • Handle can slip into filter mode accidentally
  • Same 2-year warranty inherits Original reliability concerns

Qettle Signature Modern 4-in-1 (4L)

What we like

  • 4-litre tank serves up to 8 cups in one go
  • Marine-grade stainless steel tap, engineered in the UK
  • Two-stage child safety: button and turn before boiling water flows
  • Choice of round or square spout in stainless, PVD colour or etched finishes

Watch out for

  • 17.5-minute initial heat-up and 10-minute recovery after a full tank
  • Standard kit does not include a pressure reducing valve
  • Two-year warranty

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