boilingwatertap.

Model vs model

InSinkErator GN1100
vs Qettle Original 4-in-1

The InSinkErator GN1100 lists at £389, £231 less than the Qettle Original 4-in-1 at £620.

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.

InSinkErator GN1100 steaming hot water side tap

InSinkErator

InSinkErator GN1100

Compact dedicated steaming-hot tap to pair with your mixer

Typical price: £389

Full review →
Qettle Original 4-in-1 boiling water tap with square spout

Qettle

Qettle Original 4-in-1

Half the Quooker price, same boiling point

Typical price: £620

Full review →

The differences at a glance

  • The InSinkErator GN1100 lists at £389, £231 less than the Qettle Original 4-in-1 at £620.
  • The Qettle Original 4-in-1 dispenses at 100°C; the InSinkErator GN1100 tops out at 98°C.
  • Declared idle draw is 11 W for the InSinkErator GN1100 against 14 W for the Qettle Original 4-in-1, which compounds into the standby cost difference below.
  • Tank capacity: 4 L on the Qettle Original 4-in-1 versus 2.5 L on the InSinkErator GN1100. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
  • The InSinkErator GN1100 ships with a 5-year warranty; the Qettle Original 4-in-1 with a 2-year warranty.

Full specification, side by side

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

InSinkErator GN1100 vs Qettle Original 4-in-1 specifications from manufacturer datasheets
SpecInSinkErator GN1100Qettle Original 4-in-1
Typical price£389£620
Boiling temperature98°C100°C
Tank capacity2.5 L4 L
Idle power11 W14 W
Peak power1300 W1300 W
Flow rate--
Filtered waterYesYes
Sparkling waterNoNo
Chilled waterNoNo
Filter type-Q08 extruded carbon block cartridge
Finishes24
Warranty5 years2 years
Released20182021

Standby energy

What the idle draw adds up to over a year.

InSinkErator GN1100

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

Qettle Original 4-in-1

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

InSinkErator GN1100

Qettle Original 4-in-1

What we like

  • £620 RRP roughly half the equivalent Quooker pricing
  • 4L tank delivers around 8 mugs back-to-back
  • Filtered cold and 100°C boiling from a single spout
  • Trustpilot praises Qettle support beyond warranty period

Watch out for

  • Standard warranty just 2 years on boiler and cartridge
  • Trustpilot reports boiler leaks at 2.5-3 year mark
  • Annual descale required, more maintenance than Quooker
  • Service network thinner than established brands