Model vs model
InSinkErator 3N1 J-Shape
vs InSinkErator GN1100
The InSinkErator GN1100 lists at £389, £510 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.

InSinkErator
InSinkErator 3N1 J-Shape
Steaming hot, hot and cold from a slim J-shape spout
Typical price: £899
Full review →
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, £510 less than the InSinkErator 3N1 J-Shape at £899.
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 | InSinkErator 3N1 J-Shape | InSinkErator GN1100 |
|---|---|---|
| Typical price | £899 | £389✓ |
| Boiling temperature | 98°C | 98°C |
| Tank capacity | 2.5 L | 2.5 L |
| Idle power | 11 W | 11 W |
| Peak power | 1300 W | 1300 W |
| Flow rate | - | - |
| Filtered water | Yes | Yes |
| Sparkling water | No | No |
| Chilled water | No | No |
| Filter type | - | - |
| Finishes | 2 | 2 |
| Warranty | 5 years | 5 years |
| Released | 2020 | 2018 |
Standby energy
What the idle draw adds up to over a year.
InSinkErator 3N1 J-Shape
- Idle draw
- 11 W
- Standby energy / year
- 96 kWh
- Standby cost / year
- £26
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.