Stiebel Eltron
Stiebel Eltron

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DHF Instantaneous 3 Phase Water Heater


Overview

All-in-one-comfort. The Stiebel Eltron DHF hydraulically controlled instantaneous water heater with two-stage temperature selection offers maximum performance in the tightest of spaces. The control valve even compensates automatically for most pressure fluctuations in the water supply.
The Stiebel Eltron DHF was developed for the NSW 3 phase electric instantaneous water heater replacement market. It is ideal for replacing faulty and outdated 3 phase electric instantaneous water heaters because the size of the DHF allows it to be installed virtually anywhere an existing 3 phase heater is located.

DHF Water Heaters;

•    Two-stage temperature and output selection
•    Compact dimensions
•    No safe tray or drainage required
•    Designed for Australian conditions
•    Watermark approved
•    5 year warranty

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Applications

•    Available to NSW only
•    Replacement for existing 3 phase electric instantaneous systems

Frequently Asked Questions

(Q1)
I have an old 3 phase instantaneous hot water system, what size unit will I require?

The DHF13 will replace 99% of the existing units in the market. Your electrician can advise what size the fuses are for your current unit (normally 20amps per phase) this will confirm the model. DHF13 is 19.7amps per phase, DHF15 is 22amps per phase.

(Q2)
My DHF unit is fluctuating hot and cold in the shower, is it faulty?

Normally this only occurs with when a water saving shower has been installed. The restrictor in the shower causes back pressure on the unit causing it to switch on and off. The DHF unit has a built in restrictor that acts as a water saving device.

(Q3)
Can I install the DHF model in new applications?

We recommend to use either the DHE, DHB-E or DEL for new applications. As the DHF unit is hydraulically controlled, you may have fluctuation issues if installed in conjunction with water saving tapware and showers. Please contact us for assistance.

(Q4)
Are parts available to fix my DHF unit?

Yes, we keep all parts in stock.

(Q5)
If I have an issue with my unit within the 5 year warranty period, who do I call?

Please call us on our 1800 153 351 number and follow the prompts for our service department. We have our own service technician that will attend your unit within 24hours.

(Q6)
How can I tell what size StiebelEltronDHF unit I have now?

Underneath the unit there is a sticker located on the bottom in between the inlet and outlet. The sticker will advise the model and size – DHF13 or DHF15 etc.

(Q7)
Where can I purchase a unit?

All the major plumbing supply merchants can supply our products, please contact us on 1800 153 351 for your nearest supplier.

Model DHF 13

Type of system Three phase electric mains pressure instantaneous
Amperage per phase 19.7 amps
Electrical connection 3/PE 415V
Cable size As per AS3000
Nominal capacity 0.6 litres
Maximum operating pressure 1000 kPa
Approvals Australian Standards Watermark AS3498 LicW301
Normal output  
Position 1kW 7.1 8.05
Position 2kW 14.2 16.1
Switch on volumes  
Partial output I/min 3.0 3.2
Total output I/min 4.3 4.8
Flow volume restrictor 6.2 6.5
Dimensions
Height 370mm
Width 220mm
Depth 130mm
Weight 4 kg

Model DHF 15

Type of system Three phase electric mains pressure instantaneous
Amperage per phase 22.5 amps
Electrical connection 14.6kW, 20A per Ph
Cable size As per AS3000
Nominal capacity 0.6 litres
Maximum operating pressure 1000 kPa
Approvals Australian Standards Watermark AS3498 LicW301
Normal output  
Position 1kW 7.1 8.05
Position 2kW 14.2 16.1
Switch on volumes  
Partial output I/min 3.0 3.2
Total output I/min 4.3 4.8
Flow volume restrictor 6.2 6.5
Dimensions
Height 370mm
Width 220mm
Depth 130mm
Weight 4 kg

 

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