Not sure what size you need? Our free instant hot water sizing calculator works out the kW or litres a minute your home needs in winter, checks single or 3-phase power, then matches the units in this range.
German-Engineered Instant Hot Water Systems for Homes and Commercial Use
Stiebel Eltron is a market leader in instantaneous electric hot water systems.
Explore Our Full Range of Stiebel Eltron Instant Water Heaters
Discover our premium selection of Stiebel Eltron instant water heaters, trusted across Australia for their precision-engineered, German-made quality and long-lasting performance. These electric instantaneous water heaters deliver hot water on demand - without a storage tank - making them the ideal solution for modern households, apartments, and commercial spaces.
Why Choose a Stiebel Eltron Tankless Water Heater?
-
Instantaneous hot water with no waiting and no bulky tank
-
Wall-mounted, space-saving electric design
-
Engineered in Germany for reliability and performance
-
Suitable for single-phase and 3-phase installations
-
Available in popular capacities like 19kW, 28kW, and more
-
Optimized for Australian conditions with energy-efficient operation
We proudly stock top-selling models like the Stiebel Eltron DHE18 AU, DEL27 Plus AU, and DHCE6/50 - all trusted across Australia for seamless integration with your existing plumbing and electrical setup.
Built for Reliability, Backed by Experts
Whether you're replacing an existing unit or installing a new system, our Melbourne-based support team is here to help. With fast delivery across Australia, Waternex ensures you get the right Stiebel Eltron electric tankless water heater - tailored to your site's power supply and hot water needs.
Need Help Choosing?
Call 1300 930 847 or email sales@waternex.com.au for a personalized recommendation today.