E-compact instant water heater with tap
CEX / CSO

Energy efficiency class A
(Scale: A+ to F)
- CEX / CSO: 11/13.5 kW, 400 V
This is where the CEX / CSO is used.
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Disposal sink
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Handwashbasin
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Kitchen sink
Exceptionally good at the disposal sink!
Product innovation
Versatile, electronically controlled compact electric instantaneous water heater in a set with pressureless single lever oversink tap for a sink, a kitchen sink or a single wash basin.
- Set consisting of an electronically controlled instantaneous water heater in compact format as oversink unit and a pressureless single-lever oversink tap
- Keypad with LED display for temperature input accurate to the degree 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 program keys for individual fixed values, activatable temperature limitation and operating displays
- CSO single-lever mixer tap with durable ceramic cartridge and a 16 cm swivel tube spout
- No need to add cold water any more
- Easy installation due to small dimensions and external ½ inch water connections for closed-outlet or open-outlet installation
- Precise temperatures due to TWIN TEMPERATURE control TTC® up to the capacity of the appliance
- With the Multiple Power System MPS®, the maximum power rating is set at the time of installation
- Remote control module available as an accessory: FXS 3 (C)
- 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)
- Dimensions instantaneous water heater (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) Depending on the selected power rating
5) Suitable for reheating
Downloads
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Media type | Title | Date | Size | |
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![]() Product information sheet CEX-CSO-PI-en.pdf 23.12.2021 > download |
Product information sheet | CEX-CSO-PI-en.pdf | 23.12.2021 |
399 kB > 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-Uebertisch-05-2021.pdf 07.05.2021 > download |
Image-only instructions | CX3-400V-Bilderanleitung-Uebertisch-05-2021.pdf | 07.05.2021 |
844 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-Energielabel.pdf 10.02.2017 > download |
Energy label | CEX-Energielabel.pdf | 10.02.2017 |
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-CX3-Produktfoto.jpg 27.12.2021 > download |
Product photo | CEX-CX3-Produktfoto.jpg | 27.12.2021 |
50 kB > download |
![]() Product photo CEX-CX3-45Grad-Produktfoto-links.jpg 27.12.2021 > download |
Product photo | CEX-CX3-45Grad-Produktfoto-links.jpg | 27.12.2021 |
76 kB > download |
![]() BIM CX3-CEX-CSO_BIM.ifc 11.05.2022 > download |
BIM | CX3-CEX-CSO_BIM.ifc | 11.05.2022 |
2,8 MB > download |
![]() BIM CX3-CEX-CSO_BIM.rfa 25.05.2022 > download |
BIM | CX3-CEX-CSO_BIM.rfa | 25.05.2022 |
852 kB > download |
Accessories
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CSO (included)
Single-lever wall mixer tap (open-outlet) with swivel spout 16 cm
CSO: Part no. 1100-04165
- Product information sheetTaps-for-pressureless-water-heaters-PI-en.pdf (1,31 MB)
- Operating and installation instructionsCSO-SSO-GMA-de-en.pdf (420 kB)

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)

FXS 3 (C) Radio remote control set (optional)
FX 3 radio remote control plus Bluetooth® radio adapter FXE 3 (C) in a set for installation in the instantaneous water heater. In addition to operation on the appliance, the radio remote control enables convenient temperature setting of the instantaneous water heater over a distance of approx. 10 metres in the building. Secure Bluetooth® radio transmission, infinitely variable temperature selection via two buttons, two fixed value buttons and an LCD display, magnetic wall bracket and batteries (included). IP 20. Dimensions (H × W × D): 5.8 × 12.5 × 1.9 cm.
FXS 3 (C) Radio remote control set: Part no. 3200-34027

(optional)
: Part no. 3200-34026
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