Model vs model
InSinkErator 3N1 J-Shape
vs Quooker Nordic Square Twintaps
The InSinkErator 3N1 J-Shape lists at £899, £401 less than the Quooker Nordic Square Twintaps at £1,300.
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 →
Quooker
Quooker Nordic Square Twintaps
Matched boiling and mixer pair in a clean square profile
Typical price: £1,300
Full review →The differences at a glance
- The InSinkErator 3N1 J-Shape lists at £899, £401 less than the Quooker Nordic Square Twintaps at £1,300.
- The Quooker Nordic Square Twintaps dispenses at 100°C; the InSinkErator 3N1 J-Shape tops out at 98°C.
- Declared idle draw is 10 W for the Quooker Nordic Square Twintaps against 11 W for the InSinkErator 3N1 J-Shape, which compounds into the standby cost difference below.
- Tank capacity: 3 L on the Quooker Nordic Square Twintaps versus 2.5 L on the InSinkErator 3N1 J-Shape. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
- The InSinkErator 3N1 J-Shape dispenses filtered drinking water; the Quooker Nordic Square Twintaps does not.
- The InSinkErator 3N1 J-Shape ships with a 5-year warranty; the Quooker Nordic Square Twintaps 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 | InSinkErator 3N1 J-Shape | Quooker Nordic Square Twintaps |
|---|---|---|
| Typical price | £899✓ | £1,300 |
| Boiling temperature | 98°C | 100°C✓ |
| Tank capacity | 2.5 L | 3 L |
| Idle power | 11 W | 10 W✓ |
| Peak power | 1300 W | 1500 W |
| Flow rate | - | - |
| Filtered water | Yes✓ | No |
| Sparkling water | No | No |
| Chilled water | No | No |
| Filter type | - | Active carbon filter inside the tank |
| Finishes | 2 | 2 |
| Warranty | 5 years✓ | 2 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
Quooker Nordic Square Twintaps
- Idle draw
- 10 W
- Standby energy / year
- 88 kWh
- Standby cost / year
- £24
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 3N1 J-Shape
Quooker Nordic Square Twintaps
What we like
- Boiling tap and matching mixer supplied as one coordinated set
- Child-safe handle: press twice and turn before boiling water flows
- Choice of PRO3, COMBI or COMBI+ tank
Watch out for
- Needs worktop space and tap holes for two separate taps
- Two finishes: polished chrome or stainless steel