STIEBEL ELTRON Wall Mounted Electric Fan Heater CK 20 Premium for About 20 sqm, Aluminium, LED, 7-Day + 120-minute Timer, Frost+overheating Protection, Open Window Detection, Lot 20 Compliant, 237835

SALE PRICE: £137.65
About this item
- Wall mounted rapid heater – ideal as a supplementary heater or interim heater for spring/autumn
- Quick room air heating
- High quality design with an aluminium front
- Controls with backlit LCD
- 7-day timer, 120-minute short-time timer, frost protection and open window detection
- Lot 20 compliant
Product description
Style Name:Premium with 120 Min. TimerProduct Description
CK 20 Premium rapid heater – compact and powerful for rapid heating. With its elegant design and high heating output, the CK Premium series of rapid heaters is perfect for rooms that need to be heated quickly and for short periods. With their tangential fans, STIEBEL ELTRON rapid heaters are among the quietest in their class (silent mode). The comfort functions of the integral controller, such as the 7-day timer and open window detection, highlight the efficiency and high quality features of the appliance. Heater range of 5 – 30 °C.
Box Contains
1 x CK 20 Premium, wall mounting bracket, installation manual
SKU: | B078WTS2LT |
Weight: | 5.31 kg |
Dimensions: | 34.5 x 12.6 x 46.9 cm; 5.31 Kilograms |
Brand: | Stiebel Eltron |
Model: | CK 20 Premium |
Colour: | White |
Colour: | White |
From the manufacturer


German Engineering
As an experienced innovator, we rely on our own expertise at every stage of development – from the initial design right through to the manufacture of the finished appliance.
Compact and powerful for rapid heating
The quietest in their class
With its unobtrusive design and high heating output, the CK Premium series of rapid heaters is perfect for rooms that need to be heated quickly and for short periods.
With their tangential fans, STIEBEL ELTRON rapid heaters are among the quietest in their class (Silent-Mode). The comfort functions of the integral controller, such as the 7-day timer and open window detection, highlight the efficiency and high quality features of the appliance.

The smart one – does the work Itself
- Temperature from +5 to +30 C° in 0.5 increments
- Electronic controller with LCD
- Adaptive control as a learning function for achieving the comfort temperature in timer mode at precisely the right time
- Window open detection function to avoid wasted energy
- 7-day timer with 2 preset and 1 individually programmable time programs
- With 120-minute short-time timer
- Silent mode with 1 kW base heating stage at 38 dB(A) and powerful 2 kW rapid heat-up stage
- Frost protection at 7 °C
- High grade design with 3 mm thick aluminium front
- Lot 20 compliant
Benefit from a multitude of advantages
| | | |
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ApplicationHigh grade, wall mounted rapid heater as an efficient standalone or booster heater for additional heat demand, especially for rooms that are not heated constantly, e.g. bathrooms. The appliance heats the indoor air quickly and evenly. | Equipment/ConvenienceElectronically controlled Premium rapid heater with easy to read display and simple programming for heating indoor air quickly. Very user friendly due to top mounted user interface and large, easily legible display. | InstallationStraightforward, stable wall mounting needs one person only: The wall mounting bracket is fitted to the wall separately from the appliance and can be readjusted later. All that remains is to hook the appliance into place. Cable for permanent connection for approx. 1 m. Maintenance-free. | Lot20 compliantThe features include all energy efficiency and safety requirements to meet new regulations for panel heaters. These include overheat protection, open window recognition, child lock and frost protection. |
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CNS Trend UK | CON Premium U | CND | CK 20 Trend LCD | CK 20 Premium | IW 120 | |
Application | Wall convection heater | Wall convection heater | Wall radiant & convection heater | Wall rapid fan heater | Wall rapid fan heater | Wall radiant heater |
Power connection [V] | 1/N/PE~240 | 1/N/PE~230 | 1/N/PE~240 | 1/N/PE~230 | 1/N/PE~230 | 1/N/PE~230 |
Setting range [°C] | 5-30 | 5-30 | 10-30 | 5-30 | 5-30 | 3 heating stages |
Casing | metal | aluminium | metal | plastic | aluminium | metal |
Room occupancy detection | Energy consuption indicator | Pilot wire connectivity | ✓ | |||||
Open window detection/Adaptive start control/LCD/Seven day timer/Frost protection | ✓ | ✓ | ✓ | ✓ | ✓ | |
120-minute short-time timer | ✓ | ✓ | ||||
permanent connection | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Connected load (kW) | 0.5 – 0.75 – 1.0 – 1.5 – 2.0 – 2.5 – 3.0 | 1.0 – 1.5 – 2.0 – 3.0 | 7.5 – 1.0 – 1.5 – 2.0 | 2.0 | 2.0 | 1.2 |
IP-Rating | IP24 | IP24 | IP24 | IP24 | IP24 | IPX4 |

ENTERPRISING QUALITY
As an owner-managed company with head office in Germany and a UK office near Liverpool, we have very high standards when it comes to compliance and conduct. Our strict Code of Conduct and our leadership guidelines give us a clear focus.