E-compact instant water heater
CEX-U

Energy efficiency class A
(Scale: A+ to F)
- CEX-U: 11/13.5 kW, 400 V
This is where the CEX-U is used.
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Kitchen sink
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Washstand
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Double washbasin
Precise hot water
convenience .
Product innovation
The CEX-U’s electronic controls ensure an energy-efficient hot water supply. The water is heated directly to the preset temperature while flowing though the unit. The temperature is selected by pushing one of the buttons on the LED panel, with factory settings programmed at 35 °C and 48 °C.

- Electronically controlled instant water heater in compact design for installation under the sink
- Push-button operation panel with LED display for precise temperature setting between 20 °C and 60 °C
- In the comfort zone between 35 °C and 43 °C, the temperature can be set in 0.5 degree increments
- Two programming buttons for individual pre-set temperatures, optional temperature limitation as well as function indicators
- Adding cold water is no longer necessary
- Easy installation under the kitchen sink facilitated by small dimensions and external ⅜" water connectors for closed-outlet or open-outlet installation
- Connection set (T-piece and flexible pressure hose) for an angle valve is included in delivery
- With power cable for permanent electrical connection
- Precise temperatures due to TWIN TEMPERATURE control TTC® up to the capacity of the appliance
- Bare wire heating system IES® ensures longer life, less limescale and is efficient and easy to maintain
- With the Multiple Power System MPS®, the maximum power rating is set at the time of installation
- Can also be controlled by tablet or smartphone (from iOS 9 / Android-OS 4.4) (this requires an FXE3 (C) radio adapter and the "Smart Control" app)
- Solar system compatible (supply temperature ≤ 60 °C)
- Dimensions (height × width × depth): 29.4 × 17.7 × 10.4 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, cable diameter and hot water output
2) Temperature increase e.g. from 12 °C to 45 °C (mixed water at flow rate >5 l/min)
3) Limited flow amount for optimal temperature increase
4) Suitable for reheating
Downloads
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Media type | Title | Date | Size | |
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![]() Product information sheet CEX-U-PI-en.pdf 22.12.2021 > download |
Product information sheet | CEX-U-PI-en.pdf | 22.12.2021 |
1,3 MB > download |
![]() Operating and installation instructions CX3-CEX-CEX7-CFX-GMA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sv-el.pdf 11.04.2022 > download |
Operating and installation instructions | CX3-CEX-CEX7-CFX-GMA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sv-el.pdf | 11.04.2022 |
6,8 MB > download |
Older versions> | ||||
Operating and installation instructions | CX3-CEX-CFX-GMA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sv-el-03-2022.pdf> download | > download | ||
Operating and installation instructions | CX3-CEX-CFX-GMA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sv-el-04-2021.pdf> download | > download | ||
Further versions on request | ||||
![]() Image-only instructions CX3-400V-Bilderanleitung-Untertisch.pdf 15.09.2021 > download |
Image-only instructions | CX3-400V-Bilderanleitung-Untertisch.pdf | 15.09.2021 |
883 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 19.03.2021 > 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 | 19.03.2021 |
483 kB > download |
![]() Energy label CEX-U-Energielabel.pdf 13.02.2017 > download |
Energy label | CEX-U-Energielabel.pdf | 13.02.2017 |
220 kB > download |
![]() CE Conformity CE-Konformitaetserklaerung-nach-RED+RoHS3-CX-2021-09.pdf 05.11.2021 > download |
CE Conformity | CE-Konformitaetserklaerung-nach-RED+RoHS3-CX-2021-09.pdf | 05.11.2021 |
752 kB > download |
![]() Product photo CEX-U-CX3-45Grad-Produktfoto-rechts.jpg 23.12.2021 > download |
Product photo | CEX-U-CX3-45Grad-Produktfoto-rechts.jpg | 23.12.2021 |
414 kB > download |
![]() Product photo CEX-U-CX3-45Grad-Produktfoto-links.jpg 23.12.2021 > download |
Product photo | CEX-U-CX3-45Grad-Produktfoto-links.jpg | 23.12.2021 |
74 kB > download |
![]() Product photo CEX-U-CX3-45Grad-Produktfoto-frontal.jpg 23.12.2021 > download |
Product photo | CEX-U-CX3-45Grad-Produktfoto-frontal.jpg | 23.12.2021 |
417 kB > download |
![]() BIM CX3-CEX-U_BIM.rfa 11.05.2022 > download |
BIM | CX3-CEX-U_BIM.rfa | 11.05.2022 |
760 kB > download |
![]() BIM CX3-CEX-U_BIM.ifc 11.05.2022 > download |
BIM | CX3-CEX-U_BIM.ifc | 11.05.2022 |
2,0 MB > download |
Accessories
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FVS (included)
Flexible connecting hose ⅜ inch cap nut × ⅜ inch cap nut, length 50 cm
FVS: Part no. 89620

T-piece (included)
Special T-connector ⅜ inch cap nut × ⅜ inch angle valve 10 mm
T-piece: Part no. 89610

CSP 6 (optional)
Aerator insert for tap adapter M 22/24 at the tap. The aerator at the tap supports the energy- and water-saving operation of the compact instant water heater. The new special CSP aerators mix air into the water and thus create a uniform water stream that does not splatter but softly cascades down. CSP 6 (< 3,5 l/min).
CSP 6: Part no. 0010-00461
- Product information sheetAerators-PI-en.pdf (293 kB)

CSP 6a (optional)
Aerator with chrome tap adapter M 24a (suitable for taps with internal thread at outlet). The aerator at the tap supports the energy- and water-saving operation of the compact instant water heater. The new special CSP aerators mix air into the water and thus create a uniform water stream that does not splatter but softly cascades down. CSP 6a (< 3,5 l/min).
CSP 6a: Part no. 0010-0047
- Product information sheetAerators-PI-en.pdf (293 kB)

CSP 6i (optional)
Aerator with chrome tap adapter M 22i (suitable for taps with external thread at outlet). The aerator at the tap supports the energy- and water-saving operation of the compact instant water heater. The new special CSP aerators mix air into the water and thus create a uniform water stream that does not splatter but softly cascades down. CSP 6i (< 3,5 l/min).
CSP 6i: Part no. 0010-0046
- Product information sheetAerators-PI-en.pdf (293 kB)

EAK (optional)
Single-lever mixer tap with side lever and swivel spout 20 cm
EAK: Part no. 1100-04430
- Product information sheetTaps-for-pressureless-water-heaters-PI-en.pdf (1,31 MB)
- Operating and installation instructionsEAK-GMA-de-en.pdf (1,22 MB)

(optional)
: Part no. 1100-04235

BBW (optional)
Accessories for sensor armature for power supply with one battery 6 V Lithium CRP 2. cable length approx. 10 cm, Ø 6 cm
BBW: Part no. 89516

SNG (optional)
Accessories for sensor armature EKE: power supply unit 1~ / N / PE 230 V AC / 6 V DC. Cable length approx. 70 cm
SNG: Part no. 89484

EWT (optional)
Single lever mixing tap for pressureless installation with nickel- and lead-free water lines, EASY FIX mounting system and pull-up drain stopper, spout 11.2 cm, height × width: 15.1 × 17.5 cm
EWT: Part no. 1100-04420
- Product information sheetTaps-for-pressureless-water-heaters-PI-en.pdf (1,31 MB)
- Operating and installation instructionsEWT-GMA-de-en.pdf (994 kB)

EWT-C (optional)
Single lever mixing tap for closed-outlet installation with nickel- and lead-free water lines, EASY FIX mounting system and pull-up drain stopper, spout 11.2 cm, height × width: 15.1 × 17.5 cm
EWT-C: Part no. 1100-04421

FXE 3 (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: Part no. 3200-34022
- Operating and installation instructionsFXE3-GMA-de-en.pdf (458 kB)

LAB (optional)
Load shedding module (electrical installation kit) with pre-installed cables, contactor and load shedding relay, for joint connection of an instant water heater with an output ≤ 13,5 kW and an electromechanical cooker at a cooker terminal outlet box, if no separate outlet is available for the instant water heater. IP 55. Dimensions (H × W × D): 18 × 13 × 8 cm
LAB: Part no. 82260
Interesting features.
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Smart Control-ready
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Remote control (optional)
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Solar-compatible, suitable for reheating