boilingwatertap.

Model vs model

Franke Mythos Water Hub 6-in-1
vs Qettle Signature

The Qettle Signature lists at £549, £2,376 less than the Franke Mythos Water Hub 6-in-1 at £2,925.

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 Mythos Water Hub 6-in-1 tap with under-sink unit

Franke

Franke Mythos Water Hub 6-in-1

Hot, cold, filtered, chilled, sparkling and boiling from one spout

UK RRP: £2,925

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

Qettle

Qettle Signature

Compact 4-in-1 for smaller kitchens

UK RRP: £549

Full review →

The differences at a glance

  • The Qettle Signature lists at £549, £2,376 less than the Franke Mythos Water Hub 6-in-1 at £2,925.
  • The Qettle Signature dispenses at 100°C; the Franke Mythos Water Hub 6-in-1 tops out at 98°C.
  • Declared idle draw is 11 W for the Qettle Signature against 25 W for the Franke Mythos Water Hub 6-in-1, which compounds into the standby cost difference below.
  • Tank capacity: 4 L on the Franke Mythos Water Hub 6-in-1 versus 2 L on the Qettle Signature. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
  • The Franke Mythos Water Hub 6-in-1 dispenses sparkling water; the Qettle Signature does not.
  • The Franke Mythos Water Hub 6-in-1 dispenses chilled water; the Qettle Signature does not.

Full specification, side by side

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

Franke Mythos Water Hub 6-in-1 vs Qettle Signature specifications from manufacturer datasheets
SpecFranke Mythos Water Hub 6-in-1Qettle Signature
UK RRP£2,925£549
Boiling temperature98°C100°C
Tank capacity4 L2 L
Idle power25 W11 W
Peak power2200 W1300 W
Flow rate2 L/min-
Filtered waterYesYes
Sparkling waterYesNo
Chilled waterYesNo
Filter typePro M Connect: active carbon + ion-exchange resinQ08 extruded carbon block cartridge
Finishes43
Warranty2 years2 years
Released20222023

Standby energy

What the idle draw adds up to over a year.

Franke Mythos Water Hub 6-in-1

Idle draw
25 W
Standby energy / year
219 kWh
Standby cost / year
£59

Qettle Signature

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

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

Franke Mythos Water Hub 6-in-1

What we like

  • Six functions from one tap: boiling, chilled, ambient and sparkling plus hot and cold mains
  • All-in-one under-sink unit houses boiler, chiller, CO2 bottle and filter
  • 12-month filter interval with built-in RFID replacement reminder
  • Pro M Connect filter adds ion-exchange limescale protection

Watch out for

  • Sparkling capacity is 0.6 litres per fill, with a CO2 cylinder to replace
  • Spout swivel is limited to 180 degrees
  • Personalised settings need the Franke Home App
  • Two-year warranty

Qettle Signature

What we like

  • Compact 2L tank fits tighter under-sink cabinets
  • Hits 100°C boiling matching premium-brand temperatures
  • Slimmer £549 entry into the Qettle range
  • Trustpilot reviewers cite responsive UK customer service

Watch out for

  • 2L tank delivers only 3 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