Model vs model
Franke Omni
vs Zip HydroTap G5 Celsius Arc All-In-One
The Franke Omni lists at £1,199, £500 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 Franke Omni lists at £1,199, £500 less than the Zip HydroTap G5 Celsius Arc All-In-One at £1,699.
- The Franke Omni dispenses at 100°C; the Zip HydroTap G5 Celsius Arc All-In-One tops out at 98°C.
- Declared idle draw is 12 W for the Franke Omni against 30 W for the Zip HydroTap G5 Celsius Arc All-In-One, which compounds into the standby cost difference below.
- Tank capacity: 4.2 L on the Franke Omni versus 3 L on the Zip HydroTap G5 Celsius Arc All-In-One. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
- The Franke Omni 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 | Franke Omni | Zip HydroTap G5 Celsius Arc All-In-One |
|---|---|---|
| UK RRP | £1,199✓ | £1,699 |
| Boiling temperature | 100°C✓ | 98°C |
| Tank capacity | 4.2 L | 3 L |
| Idle power | 12 W✓ | 30 W |
| Peak power | 1500 W | 2200 W |
| Flow rate | - | 4 L/min |
| Filtered water | Yes | Yes |
| Sparkling water | No | No |
| Chilled water | No | No |
| Filter type | Franke 08 filter cartridge | 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.
Franke Omni
- 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
Franke Omni
What we like
- True 100°C confirmed in Trusted Reviews testing
- Built-in filter delivers chilled filtered water without add-on
- Spout body stays cool even during prolonged dispensing
- 4.2L tank larger than most rivals under £1,200
Watch out for
- Filter cartridges cost roughly £80 every 6-9 months
- Owners report flow slowdown after 2 years in hard-water areas
- Heating tank replacement reported at around £400 out of warranty
- Low mains pressure (under 1.5 bar) causes noticeable dribble
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