E-comfort instant water heater
DEX 12 Next L

Energy efficiency class A
(Scale: A+ to F)
- DEX 12 Next L: 8.8/11.5 kW, 220–240 V
This is where the DEX 12 Next L is used.
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Handwashbasin
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Shower
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Kitchen sink
Convenient with LED display
New product
The DEX 12 Next L is conveniently controlled via an LED display with sensor keys. The two memory buttons are set to 38 °C and 42 °C respectively. Desired temperatures can be set individually. Parameters can be set and read out via the service menu.

- Electronically controlled comfort instantaneous water heater with sensor control panel and LED display
- Precise temperatures between 20 °C and 60 °C thanks to TWIN TEMPERATURE Control TTC.
- Particularly air-resistant heating system thanks to innovative heating channel arrangement
- 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
- Multiple Power System MPS determines the maximum power consumption at installation: 8,8 oder 11,5 kW, 230 V
- Easy installation thanks to free installation space and variable connection options
- Suitable for water-saving fittings: particularly low switch-on water quantity from 1.5 l/min thanks to innovative water flow technology
- Dimensions (height × width × depth): 46.8 × 23.9 × 9.6 cm
Technical data
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Data. Values. Facts.
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1) The selected power rating determines the values of nominal current and hot water output
2) Temperature increase e.g. from 12 °C to 40 °C (mixed water at flow rate >5 l/min)
3) Limited flow amount for optimal temperature increase
Downloads
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Media type | Title | Date | Size | |
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![]() Product information sheet DEX12-Next-L-PI-en.pdf 06.06.2023 > download |
Product information sheet | DEX12-Next-L-PI-en.pdf | 06.06.2023 |
404 kB > download |
![]() Operating and installation instructions DEX12-Next-L-Online-GMA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr-03-2023.pdf 16.03.2023 > download |
Operating and installation instructions | DEX12-Next-L-Online-GMA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr-03-2023.pdf | 16.03.2023 |
36,0 MB > download |
![]() Quick guide DEX12-Next-L-KA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr.pdf 26.05.2023 > download |
Quick guide | DEX12-Next-L-KA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr.pdf | 26.05.2023 |
6,2 MB > download |
![]() Image-only instructions DX3-230V-Bilderanleitung-mit-DMB.pdf 19.07.2023 > download |
Image-only instructions | DX3-230V-Bilderanleitung-mit-DMB.pdf | 19.07.2023 |
1,9 MB > download |
![]() Energy label DEX12-Next-L-Energielabel-2023.pdf 28.03.2023 > download |
Energy label | DEX12-Next-L-Energielabel-2023.pdf | 28.03.2023 |
232 kB > download |
![]() ErP product sheet DX3.1-DEX12-Next-L-ErP-Produktdatenblatt.pdf 27.03.2023 > download |
ErP product sheet | DX3.1-DEX12-Next-L-ErP-Produktdatenblatt.pdf | 27.03.2023 |
102 kB > download |
![]() Product photo DEX-Next-L-frontal.jpg 20.09.2023 > download |
Product photo | DEX-Next-L-frontal.jpg | 20.09.2023 |
294 kB > download |
![]() Neues Element (57) DEX-Next-L-Bedienfolie.jpg 20.09.2023 > download |
Neues Element (57) | DEX-Next-L-Bedienfolie.jpg | 20.09.2023 |
62 kB > download |
Accessories
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FX 3 (optional)
Additional remote control for convenient temperature adjustment of the instantaneous water heater over a distance of approx. 10 metres in the building. Secure, Bluetooth® wireless transmission, stepless temperature selection via two keys, two fixed value keys and an LCD display, magnetic wall bracket and batteries (included). IP 20. Dimensions (H × W × D): 5.8 × 12.5 × 1,9 cm
FX 3: Part no. 3200-34021
- Operating and installation instructionsFX3-GMA-de-en.pdf (1,54 MB)

FXS 3 (D, M) (optional)
FX 3 Radio remote control plus Bluetooth® radio adapter FXE in a set for installation in the instantaneous water heater. In addition to the operation at the device, the radio remote control enables the comfortable temperature adjustment of the instantaneous water heater over a distance of approx. 10 metres in the building. Secure Bluetooth wireless transmission, stepless temperature selection via two keys, two fixed value keys and an LCD display, magnetic wall bracket and batteries (included). IP 20. Dimensions (H × B × T): 5,8 × 12,5 × 1,9 cm
FXS 3 (D, M): Part no. 3200-34020

FXE 3 (D, M) (optional)
Bluetooth® radio adapter for installation in the instantaneous water heater to connect the electric instantaneous water heater to the Smartphone / Tablet or the CLAGE remote control. This extension is required if the devices are not yet equipped with a FX 3 radio remote control.
FXE 3 (D, M): Part no. 3200-34022
- Operating and installation instructionsFXE3-GMA-de-en.pdf (458 kB)

FXS Next (D) (optional)
Bluetooth radio remote control for electronic instantaneous water heaters, temperature selection and settings via sensor keys in an intuitive menu navigation, with e-paper display, Bluetooth connection for secure data transmission between radio remote control and instantaneous water heater, FXE 3 radio adapter for installation in the instantaneous water heater (D series) included in the scope of delivery of FXS Next, batteries and magnetic wall bracket included in the scope of delivery.
FXS Next (D): Part no. 3200-34025

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
- Installation instructionsRDX3-MA-de-en.pdf (438 kB)

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
- Operating and installation instructionsUDX-GMA-de-en.pdf (494 kB)

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
- Operating and installation instructionsVDX-GMA-de-en.pdf (564 kB)
Interesting features.
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Smart Control capable (optional)