Model vs model
Quooker Flex
vs Zip HydroTap G5 Cube Plus
The Quooker Flex lists at £1,295, £2,735 less than the Zip HydroTap G5 Cube Plus at £4,030.
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.

Zip Water
Zip HydroTap G5 Cube Plus
Cubed-spout flagship: boiling, chilled and sparkling filtered water
UK RRP: £4,030
Full review →The differences at a glance
- The Quooker Flex lists at £1,295, £2,735 less than the Zip HydroTap G5 Cube Plus at £4,030.
- The Quooker Flex dispenses at 100°C; the Zip HydroTap G5 Cube Plus tops out at 98°C.
- Declared idle draw is 10 W for the Quooker Flex against 35 W for the Zip HydroTap G5 Cube Plus, which compounds into the standby cost difference below.
- The Zip HydroTap G5 Cube Plus dispenses filtered drinking water; the Quooker Flex does not.
- The Zip HydroTap G5 Cube Plus dispenses sparkling water; the Quooker Flex does not.
- The Zip HydroTap G5 Cube Plus dispenses chilled water; the Quooker Flex does not.
- The Quooker Flex ships with a 7-year warranty; the Zip HydroTap G5 Cube Plus 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 | Quooker Flex | Zip HydroTap G5 Cube Plus |
|---|---|---|
| UK RRP | £1,295✓ | £4,030 |
| Boiling temperature | 100°C✓ | 98°C |
| Tank capacity | 3 L | 3 L |
| Idle power | 10 W✓ | 35 W |
| Peak power | 1600 W | 2400 W |
| Flow rate | - | 4 L/min |
| Filtered water | No | Yes✓ |
| Sparkling water | No | Yes✓ |
| Chilled water | No | Yes✓ |
| Filter type | Active carbon filter inside the tank | Zip MicroPurity 0.2 micron filter |
| Finishes | 6 | 8✓ |
| Warranty | 7 years✓ | 2 years |
| Released | 2023 | 2023 |
Standby energy
What the idle draw adds up to over a year.
Quooker Flex
- Idle draw
- 10 W
- Standby energy / year
- 88 kWh
- Standby cost / year
- £24
Zip HydroTap G5 Cube Plus
- 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
Quooker Flex
What we like
- Pull-out hose rinses sinks plus full 100°C boiling
- Same vacuum-insulated tank delivers true boiling water
- Magnetic dock returns hose neatly after use
- Boiling flow auto-locks when hose is detached from base
Watch out for
- £1,295 RRP matches Fusion despite extra moving parts
- Trustpilot owners report hose fraying within several years
- Hose replacement is a paid call-out, not 5-min DIY
- Requires 500mm depth + 200mm width clear undersink space
Zip HydroTap G5 Cube Plus
What we like
- Instant boiling and chilled water from one tap
- 0.2-micron MicroPurity filter removes dirt, lead, microplastics and 99.9% of cysts
- Energy-saving sleep modes and low-impact R290 refrigerant
- Seven finishes and a 12-month filter interval
Watch out for
- Factory-set to 98°C rather than true 100°C boiling
- Under-sink command centre is 470 mm deep
- Two-year warranty
