Ultra Delphi IO400U Water Ionizer

SKU: 0012081

The New and Improved Ultra Delphi IO400U

The Best Undersink Alkaline Water Ionizer just got Better

Imagine the cleanest, healthiest, alkaline, ionized water from a beautifully designed and elegant faucet. Just the faucet with none of the counter-top clutter. Imagine having the ability to choose different levels of alkaline water at your fingertips. Imagine no more. 


UltraDelphi Ionizer Sink

The UltraDelphi offers you:

  • The Cleanest Filtered Water. The UltraWater filtration system gives you peace of mind with a 99.9% reduction of almost all contaminants. This is the ONLY ioniser filter system capable of treating potable water so it safe for you and family. Removed are the toughest contaminants like pharmaceuticals, heavy metals, chemicals, VOCs and more. We even offer a free fluoride removal option. See our certified test results here. Plus the water tastes delicious!
  • Ease of Use. A light touch with one finger on the control pad at the top of the faucet selects the type of water you want. The designer quality faucet has a beautiful LCD display and allows you to get both streams of water – alkaline and acidic – right at the sink. No Counter Clutter and never any waiting while your ionizer is automatically cleaned.
  • Guaranteed Durability. The patented DARC Cleaning System eliminates the scale buildup that deteriorates performance in other ionizer brands.
  • Top Performance. Their Mesh Diode Electrode technology, offers you the healthiest alkaline water
  • The Greenest Footprint. The UltraDelphi’s greater efficiency mean it uses little electricity compared to other brands.
  • Change Filter Reminder. An LCD display will flash on the control panel so that you know when to change your filter.
  • Adjustable Voice Confirmation. Tells you what type of water you have selected each time you use the ionizer.
  • Dependability. The end result of over 30 years in ionization research by the world leader.
  • The Best Design. The quality finish on the UltraDelphi tower will enhance the look of any kitchen. Designed from the start as an undersink unit, the UltraDelphi has both a state of the art undersink ionizing unit and an elegantly designed sink-side faucet.

AlkaViva Payment Plans

Titanium Water Cell
Titanium Mesh Plates
DARC Cleaning
Filter Life Icon
MICOM System


Replacement Filters 

Note: Your new ioniser comes with filters already installed

Main Replacemnt Filter
BioStone Plus Replacement Filter
UltraWater Replacement Filter


Input voltage:

AC1 20V – 240V




8.618 kg

Overall dimension (L x H x D):

25cm x 34cm x 14 cm

Inflow Pressure:

20psi – 80psi

Water Temperature:

4° – 30° C

Electrolysis Device:

Continuous Electrolysis

Setting levels:

9 setting – 48 Programmable

Output Rate:

2-3 LPM (Alkaline+Acidic)

Cleaning Device:

DARC Automatic

Electrode Materials:

Platinum / Titanium Mesh

Water Filtration Device:



Replacement Filters Used :

Standard Filter :

Part Number: BIO01 – BioStone 0.1

High Specification Filter:

Part Number: BIO001 – Biostone Plus

Highest Specification Filter:

Part Number: UWF01 – UltraWater Replacement Filter



Independent Test Results

Only AlkaViva has the confidence to test their water filters using an independent US EPA-Certified lab to ensure you are drinking not only alkaline water but clean and purified water with the best contaminant removal available. See the results here.




  • Chlorine, Chloramines & Free Chlorine
  • Fluoride
  • Fluoride
  • Nitrate, Nitrite
  • Aluminum, Antimony, Arsenic, Barium, Beryllium, Boron, Cadmium, Chromium, Chromium, Copper
  • Iron Lead Manganese, Disinfectants and other Anions
  • *Note test results are dependant on the product

Product Specification

  • Automatic DARC Cleaning System (no servicing required)
Replacement Filters
Power Supply
  • Next Generation SMPS
  • 8.6 kgs
Electrolysis Method
  • Continuous
  • SmartDesign Platinum/Titanium
  • 4 Levels x Alkaline Water, Purified Water, 4 Levels x Acidic Water 
Green Product
  • Eliminate plastic waste in filter replacement and plastic bottles
Filter Life
  • 3800+ litres (10-14 months typical usage)
Retains essential minerals
  • Calcium, magnesium, potassium
Great Tasting Water
  • No residue exchange media
  • Comes with all necessary tap diverter and tubing