Model vs model
Franke Omni
vs Qettle Signature Modern 4-in-1 (4L)
The Qettle Signature Modern 4-in-1 (4L) lists at £870, £329 less than the Franke Omni at £1,199.
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.
For either tap. Free and no obligation.

Qettle
Qettle Signature Modern 4-in-1 (4L)
Square-spout 100°C boiling tap in marine-grade stainless steel
Typical price: £870
Full review →The differences at a glance
- The Qettle Signature Modern 4-in-1 (4L) lists at £870, £329 less than the Franke Omni at £1,199.
- Declared idle draw is 12 W for the Franke Omni against 14 W for the Qettle Signature Modern 4-in-1 (4L), which compounds into the standby cost difference below.
- Tank capacity: 4.2 L on the Franke Omni versus 4 L on the Qettle Signature Modern 4-in-1 (4L). Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
- The Franke Omni ships with a 3-year warranty; the Qettle Signature Modern 4-in-1 (4L) 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 | Qettle Signature Modern 4-in-1 (4L) |
|---|---|---|
| Typical price | £1,199 | £870✓ |
| Boiling temperature | 100°C | 100°C |
| Tank capacity | 4.2 L | 4 L |
| Idle power | 12 W✓ | 14 W |
| Peak power | 1500 W | 1500 W |
| Flow rate | - | - |
| Filtered water | Yes | Yes |
| Sparkling water | No | No |
| Chilled water | No | No |
| Filter type | Franke 08 filter cartridge | Q08 extruded carbon block cartridge |
| Finishes | 4 | 5✓ |
| Warranty | 3 years✓ | 2 years |
| Released | 2023 | 2021 |
Where to buy
Checked manually and dated; the retailer's page is always the live source. Affiliate links, disclosed as such. Commission never changes our comparisons. How affiliate links work here
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
Qettle Signature Modern 4-in-1 (4L)
- Idle draw
- 14 W
- Standby energy / year
- 123 kWh
- Standby cost / year
- £33
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 filtered cold 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 £50 every 6 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
Qettle Signature Modern 4-in-1 (4L)
What we like
- 4-litre tank serves up to 8 cups in one go
- Marine-grade stainless steel tap, engineered in the UK
- Two-stage child safety: button and turn before boiling water flows
- Choice of round or square spout in stainless, PVD colour or etched finishes
Watch out for
- 17.5-minute initial heat-up and 10-minute recovery after a full tank
- Standard kit does not include a pressure reducing valve
- Two-year warranty
Common questions
Franke Omni vs Qettle Signature Modern 4-in-1 (4L): frequently asked
- What is the difference between the Franke Omni and the Qettle Signature Modern 4-in-1 (4L)?
- The Qettle Signature Modern 4-in-1 (4L) lists at £870, £329 less than the Franke Omni at £1,199. Declared idle draw is 12 W for the Franke Omni against 14 W for the Qettle Signature Modern 4-in-1 (4L), which compounds into the standby cost difference below. Tank capacity: 4.2 L on the Franke Omni versus 4 L on the Qettle Signature Modern 4-in-1 (4L). Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
- Which is cheaper, the Franke Omni or the Qettle Signature Modern 4-in-1 (4L)?
- The Qettle Signature Modern 4-in-1 (4L) lists at £870, £329 less than the Franke Omni at £1,199.
- Which is better for hard water, the Franke Omni or the Qettle Signature Modern 4-in-1 (4L)?
- Both have built-in filtration, so both reduce scale in the tank. In a hard water area, plan to replace the cartridge closer to every 6 months rather than 12.