Model vs model
Hanstrom Ume 3-in-1
vs InSinkErator 3N1 J-Shape
The Hanstrom Ume 3-in-1 lists at £299, £600 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 →The differences at a glance
- The Hanstrom Ume 3-in-1 lists at £299, £600 less than the InSinkErator 3N1 J-Shape at £899.
- Declared idle draw is 9 W for the Hanstrom Ume 3-in-1 against 11 W for the InSinkErator 3N1 J-Shape, 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 Ume 3-in-1. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
- The InSinkErator 3N1 J-Shape dispenses filtered drinking water; the Hanstrom Ume 3-in-1 does not.
- The InSinkErator 3N1 J-Shape ships with a 5-year warranty; the Hanstrom Ume 3-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.
| Spec | Hanstrom Ume 3-in-1 | InSinkErator 3N1 J-Shape |
|---|---|---|
| Typical price | £299✓ | £899 |
| Boiling temperature | 98°C | 98°C |
| Tank capacity | 2.4 L | 2.5 L |
| Idle power | 9 W✓ | 11 W |
| Peak power | 1200 W | 1300 W |
| Flow rate | - | - |
| Filtered water | No | Yes✓ |
| Sparkling water | No | No |
| Chilled water | No | No |
| Filter type | Hanstrom Carbon Pure water filter | - |
| Finishes | 7✓ | 2 |
| Warranty | 2 years | 5 years✓ |
| Released | 2022 | 2020 |
Standby energy
What the idle draw adds up to over a year.
Hanstrom Ume 3-in-1
- Idle draw
- 9 W
- Standby energy / year
- 79 kWh
- Standby cost / year
- £21
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.
Strengths and trade-offs
Hanstrom Ume 3-in-1
What we like
- WRAS Approved confirms UK water-regulation compliance
- Touchscreen sets temperature from 75°C to 98°C
- 7 finishes including matt black and brushed gold
- Trustpilot praises responsive UK customer service team
Watch out for
- 98°C max never delivers genuine 100°C boiling
- Boiler warranty is only 1 year (tap is 2 years)
- Trustpilot reports boiler failures shortly after warranty
- 2.4L tank limits back-to-back dispensing to 7 cups