boilingwatertap.

Model vs model

Hanstrom 4-in-1 Square
vs InSinkErator GN1100

The InSinkErator GN1100 lists at £389, £110 less than the Hanstrom 4-in-1 Square at £499.

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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H4

Hanstrom

Hanstrom 4-in-1 Square

Square touch-screen tap with filtered cold and boiling water

Typical price: £499

Full review →
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 →

The differences at a glance

  • The InSinkErator GN1100 lists at £389, £110 less than the Hanstrom 4-in-1 Square at £499.
  • Declared idle draw is 11 W for the InSinkErator GN1100 against 12 W for the Hanstrom 4-in-1 Square, which compounds into the standby cost difference below.
  • Tank capacity: 2.5 L on the InSinkErator GN1100 versus 2.4 L on the Hanstrom 4-in-1 Square. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
  • The InSinkErator GN1100 ships with a 2-year warranty; the Hanstrom 4-in-1 Square with a 1-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.

Hanstrom 4-in-1 Square vs InSinkErator GN1100 specifications from manufacturer datasheets
SpecHanstrom 4-in-1 SquareInSinkErator GN1100
Typical price£499£389
Boiling temperature98°C98°C
Tank capacity2.4 L2.5 L
Idle power12 W11 W
Peak power1500 W1300 W
Flow rate--
Filtered waterYesYes
Sparkling waterNoNo
Chilled waterNoNo
Filter type--
Finishes52
Warranty1 years2 years
Released20222018

Standby energy

What the idle draw adds up to over a year.

Hanstrom 4-in-1 Square

Idle draw
12 W
Standby energy / year
105 kWh
Standby cost / year
£28

InSinkErator GN1100

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.

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