boilingwatertap.

Model vs model

Quooker Fusion Square
vs Zip HydroTap G5 Cube Plus

The Quooker Fusion Square lists at £1,250, £2,443 less than the Zip HydroTap G5 Cube Plus at £3,693.

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.

Quooker Fusion Square boiling water tap

Quooker

Quooker Fusion Square

The best-selling all-in-one in a squared-off spout

Typical price: £1,250

Full review →
Zip HydroTap G5 Cube Plus chrome square-spout tap

Zip Water

Zip HydroTap G5 Cube Plus

Cubed-spout flagship: boiling, chilled and sparkling filtered water

Typical price: £3,693

Full review →

The differences at a glance

  • The Quooker Fusion Square lists at £1,250, £2,443 less than the Zip HydroTap G5 Cube Plus at £3,693.
  • The Quooker Fusion Square dispenses at 100°C; the Zip HydroTap G5 Cube Plus tops out at 98°C.
  • Declared idle draw is 10 W for the Quooker Fusion Square 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 Fusion Square does not.
  • The Zip HydroTap G5 Cube Plus dispenses chilled water; the Quooker Fusion Square does not.
  • The Zip HydroTap G5 Cube Plus ships with a 3-year warranty; the Quooker Fusion Square 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.

Quooker Fusion Square vs Zip HydroTap G5 Cube Plus specifications from manufacturer datasheets
SpecQuooker Fusion SquareZip HydroTap G5 Cube Plus
Typical price£1,250£3,693
Boiling temperature100°C98°C
Tank capacity3 L3 L
Idle power10 W35 W
Peak power1600 W2400 W
Flow rate-4 L/min
Filtered waterNoYes
Sparkling waterNoNo
Chilled waterNoYes
Filter type-Zip MicroPurity 0.2 micron filter
Finishes78
Warranty2 years3 years
Released-2023

Standby energy

What the idle draw adds up to over a year.

Quooker Fusion Square

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 Fusion Square

What we like

  • True 100°C boil from the same PRO3 tank as the Fusion Round
  • Squared profile suits handleless and contemporary kitchens
  • Seven finishes including patinated brass, gold and rose copper
  • Quooker UK holds a high Trustpilot rating across 12,000+ reviews

Watch out for

  • £1,250 buys boiling plus standard hot and cold only
  • Filtered, chilled or sparkling water needs the separate CUBE module
  • 2-year warranty on tap and tank (SWAP is a paid out-of-warranty tank swap)

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
  • Three-year warranty (five on the tank)