boilingwatertap.

Model vs model

Hanstrom 4-in-1 Square
vs Zip HydroTap G5 Celsius Arc All-In-One

The Hanstrom 4-in-1 Square lists at £499, £1,200 less than the Zip HydroTap G5 Celsius Arc All-In-One at £1,699.

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.

H4

Hanstrom

Hanstrom 4-in-1 Square

Square touch-screen tap with filtered cold and boiling water

UK RRP: £499

Full review →
Zip HydroTap G5 Celsius Arc All-In-One chrome swan-neck tap

Zip Water

Zip HydroTap G5 Celsius Arc All-In-One

Arc spout for boiling, ambient filtered plus mains hot and cold

UK RRP: £1,699

Full review →

The differences at a glance

  • The Hanstrom 4-in-1 Square lists at £499, £1,200 less than the Zip HydroTap G5 Celsius Arc All-In-One at £1,699.
  • Declared idle draw is 12 W for the Hanstrom 4-in-1 Square against 30 W for the Zip HydroTap G5 Celsius Arc All-In-One, which compounds into the standby cost difference below.
  • Tank capacity: 3 L on the Zip HydroTap G5 Celsius Arc All-In-One versus 2.4 L on the Hanstrom 4-in-1 Square. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.

Full specification, side by side

Sourced from manufacturer datasheets. A tick marks the better number on specs where more or less is objectively better.

Hanstrom 4-in-1 Square vs Zip HydroTap G5 Celsius Arc All-In-One specifications from manufacturer datasheets
SpecHanstrom 4-in-1 SquareZip HydroTap G5 Celsius Arc All-In-One
UK RRP£499£1,699
Boiling temperature98°C98°C
Tank capacity2.4 L3 L
Idle power12 W30 W
Peak power1500 W2200 W
Flow rate-4 L/min
Filtered waterYesYes
Sparkling waterNoNo
Chilled waterNoNo
Filter type-Zip MicroPurity 0.2 micron filter
Finishes54
Warranty2 years2 years
Released20222023

Standby energy

What the idle draw adds up to over a year.

Hanstrom 4-in-1 Square

Idle draw
12 W
Standby energy / year
105 kWh
Standby cost / year
£28

Zip HydroTap G5 Celsius Arc All-In-One

Idle draw
30 W
Standby energy / year
263 kWh
Standby cost / year
£71

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 4-in-1 Square

Zip HydroTap G5 Celsius Arc All-In-One

What we like

  • 0.2-micron MicroPurity filter removes dirt, lead, microplastics and 99.9% of cysts
  • Cool-touch tap with boiling isolation and safety lock
  • Boiling flow of 4 litres per minute
  • Seven finishes and a 12-month filter interval

Watch out for

  • Factory-set to 98°C rather than true 100°C boiling
  • Needs both hot and cold supply at 1.7 bar minimum
  • Two-year warranty