Stiebel Eltron DHE18AU 3 Phase Electric Instantaneous Water Heater
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.
in 29 offers
The lowest price for Stiebel Eltron DHE18AU 3 Phase Electric Instantaneous Water Heater right now is $1,415.00 at waternex.com.au, compared across 19 retailers.
The all-time low was $817.30 on 2 Jan 2025 — today's price is 73% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 6 Nov 2026.
Last updated at 06/11/2026 15:56:42
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| Product Type | Tankless Water Heater |
| System Type | Tankless Water Heater |
| Type Features | Precise hot water temperature control, Continuous flow of hot water, Instant heating |
| Heat Pump? | No |
| Heating Method | Instantaneous |
Stiebel Eltron DHE18 AU 19.4kW 3 Phase Electric Instantaneous Water Heater
Free delivery between 12–20 Nov
Stiebel Eltron DHE18 AU Electric Instantaneous
Free delivery between 11–16 Nov
Stiebel Eltron DHE 18 AU Premium Three-Phase Instantaneous Water Heater – 19.4kW
Free delivery between Tue – Thu
Stiebel Eltron DHE18AU 60 Degree Water Heater - Sydney
Free delivery between 10–16 Nov
Stiebel Eltron DHE 18 3ph Instant Water Heater - 60 Degrees | Stiebel Eltron
Free delivery
| Product Type | Tankless Water Heater |
| System Type | Tankless Water Heater |
| Type Features | Precise hot water temperature control, Continuous flow of hot water, Instant heating |
| Heat Pump? | No |
| Heating Method | Instantaneous |
