Model vs model
Qettle Signature
vs Zip HydroTap Classic
The Qettle Signature lists at £549, £3,816 less than the Zip HydroTap Classic at £4,365.
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.
The differences at a glance
- The Qettle Signature lists at £549, £3,816 less than the Zip HydroTap Classic at £4,365.
- The Qettle Signature dispenses at 100°C; the Zip HydroTap Classic tops out at 99°C.
- Declared idle draw is 11 W for the Qettle Signature against 35 W for the Zip HydroTap Classic, which compounds into the standby cost difference below.
- Tank capacity: 4 L on the Zip HydroTap Classic versus 2 L on the Qettle Signature. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
- The Zip HydroTap Classic dispenses sparkling water; the Qettle Signature does not.
- The Zip HydroTap Classic dispenses chilled water; the Qettle Signature does not.
- The Zip HydroTap Classic ships with a 3-year warranty; the Qettle Signature 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 | Qettle Signature | Zip HydroTap Classic |
|---|---|---|
| UK RRP | £549✓ | £4,365 |
| Boiling temperature | 100°C✓ | 99°C |
| Tank capacity | 2 L | 4 L |
| Idle power | 11 W✓ | 35 W |
| Peak power | 1300 W | 2000 W |
| Flow rate | - | - |
| Filtered water | Yes | Yes |
| Sparkling water | No | Yes✓ |
| Chilled water | No | Yes✓ |
| Filter type | Q08 extruded carbon block cartridge | Zip GlobalPlus 0.2 micron filter |
| Finishes | 3 | 5✓ |
| Warranty | 2 years | 3 years✓ |
| Released | 2023 | 2021 |
Standby energy
What the idle draw adds up to over a year.
Qettle Signature
- Idle draw
- 11 W
- Standby energy / year
- 96 kWh
- Standby cost / year
- £26
Zip HydroTap Classic
- Idle draw
- 35 W
- Standby energy / year
- 307 kWh
- Standby cost / year
- £83
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
Qettle Signature
What we like
- Compact 2L tank fits tighter under-sink cabinets
- Hits 100°C boiling matching premium-brand temperatures
- Slimmer £549 entry into the Qettle range
- Trustpilot reviewers cite responsive UK customer service
Watch out for
- 2L tank delivers only 3 mugs per fill in practice
- Some users note aggressive water release on dispense
- Handle can slip into filter mode accidentally
- Same 2-year warranty inherits Original reliability concerns
Zip HydroTap Classic
What we like
- Filtered boiling, chilled and sparkling from one tap
- Touchscreen with PIN protection and energy-saving sleep modes
- 0.2 micron NSF-certified filter included as standard
- Largest UK engineer network for service and maintenance
Watch out for
- £4,365 RRP is several times rival 4-in-1 prices
- Installation around £520 extra on top of hardware
- Ongoing CO2 canister costs for sparkling function
- Designed primarily for commercial use, residential overkill