del 27au electric instantaneous hot water system
del 27au electric instantaneous hot water system

del 27au electric instantaneous hot water system


stiebel eltron del 27au electric instantaneous hot water system

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50 Degree Celsius instant hot water on demand in accordance with AS3498

The Stiebel Eltron DEL AU three-phase 415V electric mains pressure instantaneous hot water systems provide instant hot water with the reliability you have come to expect from Stiebel Eltron. These instant hot water heaters utilise sophisticated electronic technology to maintain a hot water delivery temperature not exceeding 50 Degrees Celsius in accordance with AS3498. This overcomes the need for a separate tempering valve in situations where 50 Degrees Celsius hot water is required.

Engineering excellence from Stiebel Eltron

  • Made in Germany
  • Designed for Australian conditions
  • Electronically controlled toaccurately regulate the water temperature
  • Electronic safety system with air detection
  • LED display shows hot water temperature selection
  • WaterMark Lic No. WMKA00301 AS3498

Efficient by design

  • Heats water to a maximum of 50°C
  • Point of use installation saves water by not waiting for hot water to arrive at the outlet
  • The three phase water heater saves power due to the fact that no water is stored

Installation flexibility

  • Maximum hot water output temperature 50 Degrees Celsius no Tempering Valve Needed (approved to AS3498)
  • Bare wire element provides quick control over the water temperature and is suitable for hard or soft water areas
  • Compact in size for space saving installation
  • No safe tray required
  • No ventilation required

Available in electrical size:

  • DEL 18 AU – 19.4kW 27 Amps per phase three phase 415V
  • DEL 27 AU – 28kW 40 Amps per phase three phase 415V


  • 5 Year full parts and labour domestic warranty


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Terms and Conditions

  1. The company supplies the goods on the condition that property in the goods does not pass until they have been paid for in full, but the goods are at the risk of the purchaser as soon as they have been delivered to or into the custody of the purchaser, or the purchaser’s agent.
  2. Credits will not be issued for good returned unless Invoice Number is quoted.
  3. 7 days limitation on all credits.
  4. No credits will be issued for goods made or cut to order.
  5. Goods bought in against order will only be credited if original supplier will accept same for credit, less a handling charge.
  6. Cartage will be charged on all deliveries.
  7. All prices are subject to market fluctuation and prices charged will be those ruling at date of delivery.
  8. All goods are subject to manufacturer’s guarantee and trading terms.
  9. Any items that are wished to be returned must be returned back to store at customer’s expense.
  10. All goods returned are subject to a minimum 20% handling charge.  Acceptance of goods is acceptance at the above terms. No other conditions as implied by customer order, etc. will be considered unless accepted in writing by the management.