DHF 13 C AU / DHF 15 C AU

  • Designed for Australian conditions
  • Hydraulically controlled
  • Replacement type water heater for certain types of 3 phase electric instantaneous water heaters in New South Wales
  • Two-stage temperature and output selection
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Product Overview

Instantaneous hot water when needed.

The STIEBEL ELTRON DHF C AU is a hydraulically controlled instantaneous three phase electric water heater with a two-stage temperature selection that offers maximum performance and has a compact design to be installed in the tightest of spaces. Designed as a replacement hot water system for certain types of three phase electric instantaneous water heaters in New South Wales.

Product Details

High quality STIEBEL ELTRON design

  • Designed for Australian conditions
  • Hydraulically controlled
  • DHF incorporates a control valve that compensates automatically for most pressure fluctuations in the water supply.
  • Two-stage temperature and output selection
  • WaterMark approved, Lic No.WMKA00301, AS3498
  • 5 year domestic warranty*

Installation flexibility

  • Compact in size for space saving installation
  • No safe tray or drainage required

Available in electrical size:

  • DHF 13 C AU - 14.6kW, 20 Amps per phase, three phase 415V
  • DHF 15 C AU - 16.1kW, 22.5 Amps per phase, three phase 415V

*Conditions apply.

Technical Data

Model number DHF 13 C-AU DHF 15 C-AU
Rated output (415V) 14.2kW 16.1kW
Rated current (415V) 19.7Amp 22.5Amp
Phases 3/P/PE 3/P/PE
Electrical Installation As per AS/NZS3000
Installation requirements AS/NZS3500.4.2 & local requirements
Switch on flow rate (minimum flow rate required to switch on the water heater)

Half power 2.5L/min

Full power 3.7L/min

Half power 3.0L/min

Full power 4.5L/min

Normal output (dial selection) 415V

Position • 7.1kW

Positon •• 14.2kW

Position • 8.05kW

Positon •• 16.1kW

Permissible operating pressure 1000kPa 1000kPa
Temperature adjustment N/A N/A
IP Rating IP24 IP24
Height 370mm 370mm
Width 220mm 220mm
Depth 130mm 130mm
Weight 4kg 4kg
Colour white white
Nominal capacity 0.6L 0.6L
Approvals WaterMark Lic No. WMKA00301, AS3498
For one/several draw off points Yes/Yes Yes/Yes
Heating system Copper Tubular Copper Tubular


File Category Type Download
DHF DatasheetData SheetPDF
508.36 kB
DHF Operation & Installation Guide and WarrantyOperation, Installation & WarrantyPDF
2.38 MB
DHF WarrantyWarrantyPDF
110.40 kB
DHF Tech Line DrawingTechnical DrawingJPG
421.66 kB
DHF Exploded DiagramExploded DiagramPDF
170.67 kB
Serial Number Location 2021Serial Number LocationPDF
3.46 MB


1. Can I install the DHF C-AU water heater in new applications/buildings?

The DHF hot water system is hydraulically controlled and as such you may have fluctuation issues if installed in conjunction with water saving tapware and shower roses.

We recommend the use of an electronically controlled system such as the DHE AU, DHB-E AU or DEL AU 3 phase instantaneous water heaters for new applications and buildings.

2. I have an old 3 phase instantaneous hot water system, what size unit will I require to replace this with a DHF?

Your electrician can advise what size the fuses are for your existing hot water unit, this will confirm the appropriate replacement model.  The DHF C-AU 13 is 19.7 Amps per phase and the DHF C-AU 15 is 22.5 Amps per phase.

3. Are spare parts available for the DHF instant hot water system?

Yes, our spare parts division can assist with parts for the DHF C-AU. Our service and spare parts division can be contacted on 1800 153 351.

4. If I have an issue with my unit within the 5 year domestic warranty period, who do I call?

Please call our STIEBEL ELTRON service department on 1800 153 351 and follow the prompts for our service department.

5. How can I tell what size STIEBEL ELTRON DHF hot water unit I have now?

Underneath the hot water unit, there is a rating label located on the bottom, in between the inlet and outlet. This will show the model and size - DHF 13 C-AU or DHF 15 C-AU. Within the downloads section of the DHF C-AU, you can download a pdf showing you exactly where and how to locate this sticker.

6. Where can I purchase a DHF C-AU from?

All the major plumbing supply merchants can supply our products.

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