Upgrade your Benchtop UltraStream to an Undersink UltraStream
Transform your UltraStream into a sleek, space-saving undersink setup with this purpose-built upgrade kit.
Designed specifically for hydrogen water systems, this kit includes a premium vented faucet with a modern ceramic valve, available in Chrome, Matte Black, or Brushed Stainless Steel to complement your kitchen.
Why a “Vented” Faucet is Essential
The UltraStream generates molecular hydrogen gas during use, which naturally creates internal pressure.
Standard taps are not designed to handle this.
Our vented faucet safely releases excess gas, helping to:
Prevent pressure build-up
Avoid backflow and leaks
Protect the filter system from damage
This ensures smooth operation and supports the long-term performance of your UltraStream.
What’s Included
1 × Vented faucet (Chrome, Matte Black, or Brushed Stainless Steel)
All required fittings and tubing for undersink installation
Step-by-step installation guide (DIY or professional install)
Installation Notes
Required hole size: 30mm diameter
Drilling template available for guidance at Support.
Important:
This kit includes the tap and installation components only.
The UltraStream filter unit is sold separately.


Perfect for what we needed
Had the on the sink model for years, should have gone with the undersink much earlier.
Love your products!
Great upgrade, better water flow and better exterior finish
Looks very sleek and spohisticated
This is our 2nd kit, the first was easy to install, expecting the same
Little expensive. But my other leaked. Must have been a problem for others as the per the design change.
Happy with quality of my purchase 🙂
Much better than the original system.
Great product easy install
Easy install – happy with product, thanks
Alkaway Contact was very helpful explaining how this works
Easy to install
Mostly great – only minor criticism I have is the outlet pipe feels a bit flimsy, but otherwise great – easy to fit, very convenient and glad I bought it!