boilingwatertap.

Model vs model

Qettle Signature
vs Zip HydroTap G5 Celsius Arc All-In-One

The Qettle Signature lists at £549, £1,150 less than the Zip HydroTap G5 Celsius Arc All-In-One at £1,699.

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.

Qettle Signature Modern 4-in-1 boiling water tap

Qettle

Qettle Signature

Compact 4-in-1 for smaller kitchens

UK RRP: £549

Full review →
Zip HydroTap G5 Celsius Arc All-In-One chrome swan-neck tap

Zip Water

Zip HydroTap G5 Celsius Arc All-In-One

Arc spout for boiling, ambient filtered plus mains hot and cold

UK RRP: £1,699

Full review →

The differences at a glance

  • The Qettle Signature lists at £549, £1,150 less than the Zip HydroTap G5 Celsius Arc All-In-One at £1,699.
  • The Qettle Signature dispenses at 100°C; the Zip HydroTap G5 Celsius Arc All-In-One tops out at 98°C.
  • Declared idle draw is 11 W for the Qettle Signature against 30 W for the Zip HydroTap G5 Celsius Arc All-In-One, which compounds into the standby cost difference below.
  • Tank capacity: 3 L on the Zip HydroTap G5 Celsius Arc All-In-One versus 2 L on the Qettle Signature. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.

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 Zip HydroTap G5 Celsius Arc All-In-One specifications from manufacturer datasheets
SpecQettle SignatureZip HydroTap G5 Celsius Arc All-In-One
UK RRP£549£1,699
Boiling temperature100°C98°C
Tank capacity2 L3 L
Idle power11 W30 W
Peak power1300 W2200 W
Flow rate-4 L/min
Filtered waterYesYes
Sparkling waterNoNo
Chilled waterNoNo
Filter typeQ08 extruded carbon block cartridgeZip MicroPurity 0.2 micron filter
Finishes34
Warranty2 years2 years
Released20232023

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

Zip HydroTap G5 Celsius Arc All-In-One

Idle draw
30 W
Standby energy / year
263 kWh
Standby cost / year
£71

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
  • 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

Zip HydroTap G5 Celsius Arc All-In-One

What we like

  • 0.2-micron MicroPurity filter removes dirt, lead, microplastics and 99.9% of cysts
  • Cool-touch tap with boiling isolation and safety lock
  • Boiling flow of 4 litres per minute
  • Seven finishes and a 12-month filter interval

Watch out for

  • Factory-set to 98°C rather than true 100°C boiling
  • Needs both hot and cold supply at 1.7 bar minimum
  • Two-year warranty