CK 20S / CKZ 20S

  • Made in Germany
  • Exclusive curved design
  • Quiet crossflow fan
  • Variable temperature control
  • 24 hour quartz time switch (CKZ 20S only)
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Product Overview

The STIEBEL ELTRON CK series quick-response wall mounted fan assisted heaters are not only designed to look good; their heat delivery, too, makes them a winner in any room. Available in two models the CK 20S or with a 24 hour quartz time switch for programming heating times in the CKZ 20S. These fan wall heaters incorporate a variable temperature selection from 6°C - 30°C.

Product Details

The CK and CKZ heaters come ready assembled, to be plugged into a standard 10 Amp power point for instant warmth. The CK Series room heaters also feature protection against overheating with an inbuilt thermal cut-out. The technology is hidden under a stylish robust metal casing.

Technical Data

Model number CK 20S CKZ 20S
Power consumption 2kW 2kW
Connectable load 230-240V 230-240V
Temperature adjustment range 6-30°C 6-30°C
IP Rating IP 13 B IP 13 B
Height 460mm 460mm
Width 335mm 335mm
Depth 123mm 123mm
Weight 4.4kg 4.4kg
Colour white white
24 hour quartz time switch - Yes


File Category Type Download
CK and CKZ DatasheetData SheetPDF
625.19 kB
CK and CKZ Operation and Installation GuideOperation and Installation GuidePDF
1.76 MB
CK and CKZ WarrantyWarrantyPDF
108.61 kB
CK and CKZ BrochureBrochurePDF
190.69 kB
CK and CKZ Tech Line DrawingTechnical DrawingJPG
1.07 MB
CK and CKZ Exploded DiagramExploded DiagramPDF
179.69 kB
CK and CKZ Serial Number LocationSerial Number LocationPDF
3.46 MB


1. What is the difference between a CK and CKZ wall heater?

The difference between the CK and CKZ heaters is that the CKZ has a 24 hour quartz timer.

2. Is the CK series of fan assisted heaters wall mounted?

Yes, it is wall mounted. The heater includes a bracket for wall mounting.

3. What size is the heating element of a CK heater?

The CK and CKZ have a two kilowatt heating element which is large enough to heat a 20m2 room.

4. What temperature range does the CK heater operate between?

The temperature can be adjusted between 6-30° Celsius.

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