boilingwatertap.

Model vs model

Arno Square 4-in-1
vs Fohen Focetti Pro 4-in-1

The Fohen Focetti Pro 4-in-1 lists at £489, £10 less than the Arno Square 4-in-1 at £499.

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.

Arno Square 4-in-1 chrome instant boiling water tap with digital touch screen

Arnotap

Arno Square 4-in-1

Best-value 4-in-1 of 2026

Typical price: £499

Full review →
FF

Fohen

Fohen Focetti Pro 4-in-1

Digital 4-in-1: 98°C boiling, filtered cold, plus mixer

Typical price: £489

Full review →

The differences at a glance

  • The Fohen Focetti Pro 4-in-1 lists at £489, £10 less than the Arno Square 4-in-1 at £499.
  • The Arno Square 4-in-1 ships with a 3-year warranty; the Fohen Focetti Pro 4-in-1 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.

Arno Square 4-in-1 vs Fohen Focetti Pro 4-in-1 specifications from manufacturer datasheets
SpecArno Square 4-in-1Fohen Focetti Pro 4-in-1
Typical price£499£489
Boiling temperature98°C98°C
Tank capacity2.4 L2.4 L
Idle power11 W-
Peak power1500 W-
Flow rate--
Filtered waterYesYes
Sparkling waterNoNo
Chilled waterNoNo
Filter type2-stage filter: PP cotton + activated carbon blockcarbon and calcium
Finishes46
Warranty3 years2 years
Released2023-

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

Fohen Focetti Pro 4-in-1

What we like

  • 4-in-1 from one spout including filtered cold
  • Digital touchscreen with five temperature presets
  • WRAS and CE approved with a child-safe spring-lock
  • Sells at £489, well below the £898 list price

Watch out for

  • 98°C, not a true 100°C boil
  • Needs an electrical socket under the sink
  • Power draw not published by Fohen
  • Some units now ship with a Hanström-branded boiler