Model vs model
Arno Square 4-in-1
vs Zip HydroTap G5 Celsius Arc All-In-One
The Arno Square 4-in-1 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.
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 Arno Square 4-in-1 lists at £499, £1,200 less than the Zip HydroTap G5 Celsius Arc All-In-One at £1,699.
- Declared idle draw is 11 W for the Arno Square 4-in-1 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 Arno Square 4-in-1. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
- The Arno Square 4-in-1 dispenses chilled water; the Zip HydroTap G5 Celsius Arc All-In-One does not.
- The Arno Square 4-in-1 ships with a 3-year warranty; the Zip HydroTap G5 Celsius Arc All-In-One 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 | Arno Square 4-in-1 | Zip HydroTap G5 Celsius Arc All-In-One |
|---|---|---|
| UK RRP | £499✓ | £1,699 |
| Boiling temperature | 98°C | 98°C |
| Tank capacity | 2.4 L | 3 L |
| Idle power | 11 W✓ | 30 W |
| Peak power | 1500 W | 2200 W |
| Flow rate | - | 4 L/min |
| Filtered water | Yes | Yes |
| Sparkling water | No | No |
| Chilled water | Yes✓ | No |
| Filter type | 2-stage filter: PP cotton + activated carbon block | Zip MicroPurity 0.2 micron filter |
| Finishes | 4 | 4 |
| Warranty | 3 years✓ | 2 years |
| Released | 2023 | 2023 |
Standby energy
What the idle draw adds up to over a year.
Arno Square 4-in-1
- Idle draw
- 11 W
- Standby energy / year
- 96 kWh
- Standby cost / year
- £26
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
Arno Square 4-in-1
What we like
- £499 RRP delivers 4-in-1 cheaper than most rivals
- 2-stage filtration removes chlorine and heavy metals
- 360° swivel spout handles pot-filling and rinsing
- Child-safe spring-loaded boiling dispense as standard
Watch out for
- 98°C ceiling not true 100°C boiling
- 2.4L tank yields only 7-8 cups before recovery
- Limited independent reviews outside Arno marketing
- Newer brand lacks long-term UK reliability track record
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