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E-comfort instant water heater
DBX Next

E-comfort instant water heater DBX Next

Energy efficiency class A

(scale: A+ to F)

  • DBX 18 Next: 18 kW, 400 V
  • DBX 21 Next: 21 kW, 400 V
  • DBX 24 Next: 24 kW, 400 V

This is where the DBX Next is used.

  1. Handwashbasin

    Handwashbasin

  2. Shower

    Shower

  3. Bath tub

    Bath tub

  4. Kitchen sink

    Kitchen sink

The cost-effective alternative.

The basic unit of our series of electronic instant water heaters comes without any user controls. That’s why the DBX Next is surprisingly inexpensive.

  • Electronically controlled basic instantaneous water heater without controls
  • Exceptionally low start-up water flow rate from 1.5 l/min thanks to innovative water flow technology
  • Exceptionally air-resistant heating system thanks to new type of heating channel arrangement
  • Automatic adjustment of output to flow rate and inlet temperature, outlet temperature set to 50 °C at the factory
  • The outlet temperature can be adjusted in the unit between 30 °C and 60 °C
  • Bare wire heating system IES ensures a longer service life, less calcification and is efficient and easy to maintain
  • Electronic safety system with air bubble detection, temperature and pressure shut-off
  • Easy installation thanks to free mounting space and variable connection options
  • Dimensions (height × width × depth): 46.6 × 23.0 × 9.7 cm

Technical data

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Data. Values. Facts.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
E-comfort instant water heater DBX 18 Next E-comfort instant water heater DBX 21 Next E-comfort instant water heater DBX 24 Next
Handwashbasin Shower Bath tub Kitchen sink Handwashbasin Shower Bath tub Kitchen sink Handwashbasin Shower Bath tub Kitchen sink
DBX 18 Next DBX 21 Next DBX 24 Next
Part number
Nominal power rating at 400 V [kW]
Maximum operating pressure [MPa (bar)]
Water connections (thread connections)
Hot water output at Δt = 28 K 1) [l/min]
Switch-on flow rate [l/min]
Maximum flow rate 2) [l/min]
Supply voltage [3~ / PE 400 V AC] Permanent connection 3)
Nominal current at 400 V [A]
Required cable diameter [mm²]
Maximum inlet temperature [°C]
Protection class
Specific water resistance at 15 °C [Ωcm] ≥
Weight filled with water [kg], approx.
3200-36118 3200-36121 3200-36124
18 21 24
1 (10) 1 (10) 1 (10)
G ½" G ½" G ½"
9.2 10.7 12.3
1.5 1.5 1.5
7.0 8.0 8.0
26 30 35
4.0 4.0 6.0
30 30 30
IP 25 IP 25 IP 25
1100 1100 1100
4.2 4.2 4.2

1) Temperature increase e.g. from 12 °C to 40 °C, mixed water

2) Limited flow amount for optimal temperature increase

3) Alternatively connectable to 380 V

Downloads

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Media type Title Date Size

Product information sheet

DBX-Next-PI-en.pdf

20.07.2023

> download
Product information sheet DBX-Next-PI-en.pdf 20.07.2023 381 kB
> download

Operating and installation instructions

DBX-Next-Online-GMA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr.pdf

17.02.2023

> download
Operating and installation instructions DBX-Next-Online-GMA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr.pdf 17.02.2023 22,0 MB
> download
  Older versions> 
 Operating and installation instructionsDBX-Next-Online-GMA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr-09-2022.pdf> download> download
 Operating and installation instructionsDBX-Next-Online-GMA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr-08-2020.pdf> download> download
  Further versions on request 

Quick guide

DBX-Next-KA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr.pdf

27.02.2023

> download
Quick guide DBX-Next-KA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr.pdf 27.02.2023 4,3 MB
> download
  Older versions> 
 Quick guideDBX-Next-KA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr-09-2022.pdf> download> download
 Quick guideDBX-Next-KA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr-12-2021.pdf> download> download
 Quick guideDBX-Next-KA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr-08-2020.pdf> download> download
  Further versions on request 

Installation accessories

DX3-Montageschablone-de-en-fr-nl-pl-cs-sk-pt-es-sv.pdf

13.11.2018

> download
Installation accessories DX3-Montageschablone-de-en-fr-nl-pl-cs-sk-pt-es-sv.pdf 13.11.2018 370 kB
> download

Safety instructions

Sicherheitshinweise-Durchlauferhitzer-de-en-fr-nl-pt-es-pl-sv-cs-sk-bg-no-fi-ru-sr-el-it-tr-ro.pdf

03.11.2023

> download
Safety instructions Sicherheitshinweise-Durchlauferhitzer-de-en-fr-nl-pt-es-pl-sv-cs-sk-bg-no-fi-ru-sr-el-it-tr-ro.pdf 03.11.2023 371 kB
> download

Energy label

DBX24-Next-Energielabel_2020.pdf

28.03.2023

> download
Energy label DBX24-Next-Energielabel_2020.pdf 28.03.2023 231 kB
> download

Energy label

DBX18-Next-Energielabel_2020.pdf

28.03.2023

> download
Energy label DBX18-Next-Energielabel_2020.pdf 28.03.2023 232 kB
> download

Energy label

DBX21-Next-Energielabel_2020.pdf

28.03.2023

> download
Energy label DBX21-Next-Energielabel_2020.pdf 28.03.2023 231 kB
> download

ErP product sheet

DX3.1-DBX18-Next-DBX21-Next-DBX24-Next-ErP-Produktdatenblatt.pdf

27.03.2023

> download
ErP product sheet DX3.1-DBX18-Next-DBX21-Next-DBX24-Next-ErP-Produktdatenblatt.pdf 27.03.2023 102 kB
> download

CE Conformity

CE-Konformitaetserklaerung-nach-RED+RoHS3-DX3-2021-10.pdf

05.11.2021

> download
CE Conformity CE-Konformitaetserklaerung-nach-RED+RoHS3-DX3-2021-10.pdf 05.11.2021 1,3 MB
> download

Product photo

DBX-Next-Produktfoto.jpg

22.12.2020

> download
Product photo DBX-Next-Produktfoto.jpg 22.12.2020 600 kB
> download

Image photo

DBX-Next-Anwendungsfoto.jpg

21.09.2020

> download
Image photo DBX-Next-Anwendungsfoto.jpg 21.09.2020 793 kB
> download

Catalogue

CLAGE-Complete-catalogue-en.pdf

16.10.2024

> download
Catalogue CLAGE-Complete-catalogue-en.pdf 16.10.2024 11,0 MB
> download

Catalogue

CLAGE-Brochure-en.pdf

31.01.2023

> download
Catalogue CLAGE-Brochure-en.pdf 31.01.2023 5,7 MB
> download

Hotnews

CLAGE_Hotnews_2023-EN-online.pdf

10.03.2023

> download
Hotnews CLAGE_Hotnews_2023-EN-online.pdf 10.03.2023 13,9 MB
> download

Price list

CLAGE-Product-Price-List-PPL-en.pdf

10.05.2023

> download
Price list CLAGE-Product-Price-List-PPL-en.pdf 10.05.2023 6,6 MB
> download

BIM

DX3-DBX-Next-001.ifc

02.11.2021

> download
BIM DX3-DBX-Next-001.ifc 02.11.2021 8,2 MB
> download

BIM

DX3-DBX-Next-001.rfa

02.11.2021

> download
BIM DX3-DBX-Next-001.rfa 02.11.2021 1,3 MB
> download

Datanorm

Datanorm.zip

03.06.2024

> download
Datanorm Datanorm.zip 03.06.2024 40 kB
> download

GAEB

GAEB.zip

03.06.2024

> download
GAEB GAEB.zip 03.06.2024 725 kB
> download

Accessories

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RDX 3

RDX 3 (optional)

If required, the universal mounting frame RDX 3 is available as an accessory, with which the electrical connection can be made at any point behind the device. The IP protection class of the device with RDX 3 is IP24. With electrical wiring and pipe extensions. For difficult installation conditions, e.g. replacement of a flow heater with different connections. Compensates for tile projections or wall unevenness. Installation only by a specialist.

RDX 3: Part no. 3200-36100

UDX

UDX (optional)

Pipe assembly for undersink installation with water connections, top flush-mounted G ⅜ inch (basic mounting kit RDX required).

UDX: Part no. 3200-34110

VDX

VDX (optional)

Pipe assembly for offset installation or reversed water connections when exchanging gas water heaters (basic mounting kit RDX required).

VDX: Part no. 3200-34120

Interesting features.

  1. Cost-saving

    Cost-saving

  2. Instantly at the right temperature

    Instantly at the right temperature

  3. Short water paths

    Short water paths

Installation video

Similar products:

E-comfort instant water heater DCX Next
DCX Next: 18/21/24/27 kW, 400 V
E-comfort instant water heater DLX Next
DLX 18 Next: 18 kW, 400 V
DLX 21 Next: 21 kW, 400 V
DLX 24 Next: 24 kW, 400 V