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Stiebel Eltron DHE18
Electric Instant 


Stiebel Eltron DHE18

$2,249.00 AUD
{price} OFF
Tax included.
Installation Option
  • Unit only
  • Supply & Installation Package
Stiebel Eltron DHE18 Instantaneous 3-Phase Water Heater
Upgrade your home’s hot water experience with the Stiebel Eltron DHE18. This premium German-engineered instantaneous electric water heater delivers hot water on demand—precisely when you need it, and at the temperature you prefer.
Ideal for kitchens, bathrooms, or anywhere you want reliable, endless hot water, the DHE18 combines advanced 3-phase technology with user-friendly digital controls. Its compact design saves space and allows flexible installation, while the energy-efficient operation helps lower your power bills.
Key Features:
  • Instant hot water, no storage tank required
  • Touchscreen digital temperature control (from 20°C to 60°C)
  • Advanced bare wire heating system for maximum efficiency
  • Suitable for multiple outlets (showers, sinks, etc.)
  • Sleek, space-saving design
  • Made in Germany for outstanding durability and performance
Perfect for Perth homes looking for reliable, energy-efficient hot water. Professional installation available—enjoy seamless, hassle-free service from start to finish

Technical Specifications

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General

Model:Super X Electric Instantaneous
Type:Electric Instantaneous Water Heater
Capacity:4.5 L/min (ΔT 40°C)

Heating & Performance

Heating Output: 13 kW (total)
Heating Element: Stainless Steel
Temperature Rise: 40°C (4.5 L/min)
Hot Water Delivery: Continuous, on demand

Electrical & Safety

Power Supply: 3 Phase, No Neutral
Voltage/Frequency: 415VAC / 50Hz
Power Consumption: 13 kW
Current Draw: 18A per phase
Ingress Protection: IPX4 (Splashproof)

Water & Plumbing

Connection (In/Out):½” BSP
Maximum Supply Pressure:1000 kPa
Minimum Operating Pressure:100 kPa

Dimensions & Weight

Product Dimensions (W×D×H):550 × 225 × 175 mm
Weight (Empty):5.5 kg

Warranty

Domestic Warranty: 2 years (all components)
Commercial Warranty: 2 years (all components)
Installation T&Cs

Heat Pump Experts

Specifically trained specialists ensure precision workmanship and expertise in every installation.

Fast, Reliable Response

From first contact to final install—our team acts quickly to minimise your downtime.

Free Site Assessment & Recommendations

Get a licensed pro onsite for a customised assessment and honest advice—at zero cost.

Full Product Knowledge & Training

We know heat pumps inside-out—so you enjoy maximum efficiency, reliability, and longevity.

24/7 Customer Support

Help is always on hand with round-the-clock support, before and after installation.

100% Satisfaction & Lifetime Labour Guarantee

Your comfort is guaranteed for life. If there’s ever a problem with our workmanship, we’ll fix it—free of charge.

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FAQs For The

Stiebel Eltron DHE18

Q: Is the Super X suitable for the whole house?

A: The Super X is designed for applications such as apartments, offices, laboratories, or point-of-use taps, rather than large homes with simultaneous hot water demands. It’s ideal for continuous hot water to a single or a couple of outlets.

Q: What are the installation requirements?

A: Installation must be carried out by a licensed plumber and electrician.

Q: What electrical supply is required?

The Super X requires a three phase supply. The cable will need to handle 18A per phase.
Typically, a 2.5mm2 three phase cable on a 20A protective device will be sufficient.
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