Model vs model
Hanstrom 4-in-1 Square
vs InSinkErator 3N1 J-Shape
The Hanstrom 4-in-1 Square lists at £499, £400 less than the InSinkErator 3N1 J-Shape at £899.
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.
Hanstrom
Hanstrom 4-in-1 Square
Square touch-screen tap with filtered cold and boiling water
Typical price: £499
Full review →
InSinkErator
InSinkErator 3N1 J-Shape
Steaming hot, hot and cold from a slim J-shape spout
Typical price: £899
Full review →The differences at a glance
- The Hanstrom 4-in-1 Square lists at £499, £400 less than the InSinkErator 3N1 J-Shape at £899.
- Declared idle draw is 11 W for the InSinkErator 3N1 J-Shape 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 3N1 J-Shape 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 3N1 J-Shape ships with a 5-year warranty; the Hanstrom 4-in-1 Square 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.
| Spec | Hanstrom 4-in-1 Square | InSinkErator 3N1 J-Shape |
|---|---|---|
| Typical price | £499✓ | £899 |
| Boiling temperature | 98°C | 98°C |
| Tank capacity | 2.4 L | 2.5 L |
| Idle power | 12 W | 11 W✓ |
| Peak power | 1500 W | 1300 W |
| Flow rate | - | - |
| Filtered water | Yes | Yes |
| Sparkling water | No | No |
| Chilled water | No | No |
| Filter type | - | - |
| Finishes | 5✓ | 2 |
| Warranty | 2 years | 5 years✓ |
| Released | 2022 | 2020 |
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 3N1 J-Shape
- 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.