Stiebel Eltron’s range of electric instantaneous water heaters deliver hot water with precision. Efficient by design, the units don’t store water so you don’t get the heat losses that occur in traditional storage hot water systems. Installed close to the point of use, and reducing dead legs – saving you both water and energy. The DHE AU instant water heaters deliver hot water with precision. Comfort is the number one priority as the DHE AU 18 and DHE 27 AU deliver hot water exactly to the degree. Utilising 4i Technology, the intelligent fully-electronic water heater compensates for fluctuations in pressure and temperature and using its series of sensors it precisely regulates the hot water output. This ensures that you get your requested hot water temperature to the degree.
Stiebel Eltron’s range of electric instantaneous water heaters deliver hot water with precision. Efficient by design, the units don’t store water so you don’t get the heat losses that occur in traditional storage hot water systems. Installed close to the point of use, and reducing dead legs – saving you both water and energy. The DHE AU instant water heaters deliver hot water with precision. Comfort is the number one priority as the DHE AU 18 and DHE 27 AU deliver hot water exactly to the degree. Utilising 4i Technology, the intelligent fully-electronic water heater compensates for fluctuations in pressure and temperature and using its series of sensors it precisely regulates the hot water output. This ensures that you get your requested hot water temperature to the degree.
Stiebel Eltron’s range of electric instantaneous water heaters deliver hot water with precision. Efficient by design, the units don’t store water so you don’t get the heat losses that occur in traditional storage hot water systems. Installed close to the point of use, and reducing dead legs – saving you both water and energy. The DHE AU instant water heaters deliver hot water with precision. Comfort is the number one priority as the DHE AU 18 and DHE 27 AU deliver hot water exactly to the degree. Utilising 4i Technology, the intelligent fully-electronic water heater compensates for fluctuations in pressure and temperature and using its series of sensors it precisely regulates the hot water output. This ensures that you get your requested hot water temperature to the degree.
Stiebel Eltron’s range of electric instantaneous water heaters deliver hot water with precision. Efficient by design, the units don’t store water so you don’t get the heat losses that occur in traditional storage hot water systems. Installed close to the point of use, and reducing dead legs – saving you both water and energy. The DHE AU instant water heaters deliver hot water with precision. Comfort is the number one priority as the DHE AU 18 and DHE 27 AU deliver hot water exactly to the degree. Utilising 4i Technology, the intelligent fully-electronic water heater compensates for fluctuations in pressure and temperature and using its series of sensors it precisely regulates the hot water output. This ensures that you get your requested hot water temperature to the degree.
Last updated at 08/27/2026 00:00:32
Stiebel Eltron DHE18 AU 19.4kW 3 Phase Electric Instantaneous Water Heater
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| Rated Output (415V) | 19.4 kW |
| Rated Current (415V) | 27 Amp |
| Phases | 3/PE |
| Electrical Installation | As per AS/NZS3000 |
| Installation Requirements | AS/NZS3500.4.2 & local requirements |
Stiebel Eltron DHE18 AU 19.4kW 3 Phase Electric Instantaneous Water Heater
Free delivery between 1–9 Sept
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Free delivery between 28 Aug – 3 Sept
Stiebel Eltron DHE18AU Instantaneous 3 Phase Electric Water System DHE 18 AU
Free delivery between 31 Aug – 10 Sept
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Free delivery between 27 Aug – 4 Sept
Stiebel Eltron Dhe18au 3 Phase Electric Instantaneous Water Heater
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
| Rated Output (415V) | 19.4 kW |
| Rated Current (415V) | 27 Amp |
| Phases | 3/PE |
| Electrical Installation | As per AS/NZS3000 |
| Installation Requirements | AS/NZS3500.4.2 & local requirements |
