Steel panel radiator therm-x2®
The original with patented technology

therm-x2 steel panel radiators are convincing in every respect. They are attractive, energy-efficient and easy to clean. The extraordinarily large selection of models is unrivalled. Thanks to the patented x2 technology, they not only save heating costs, but also quickly deliver the desired room temperature thanks to their short response times.

therm-x2 steel panel radiators
Maximum radiator selection: 3 versions, 16 heights, 18 lengths, 8 types, 10 connection versions, 240 basic colours
- Patented x2 technology: Serial flow for maximum efficiency.
- Design: Available in three high-quality surface finishes.
- Standard equipment: Top cover and side panels are standard.
- Suitable for all heat sources: From heat pumps to oil, gas, district heating, solar energy and condensing technology.
- Perfectly suited for new builds and refurbishments.
- Suitable for the installation of heating cost recording devices.
- Complete programme with short delivery times.
therm-x2 technology

up to 11 % energy saving
up to 25 % shorter heating period
up to 100 % higher radiation component
therm-x2 Line
Available in the versions therm-x2 Line-K, therm-x2 Line-K replacement, therm-x2 Line- K / V / Vmulti Hygiene and therm-x2 Line- V / Vmulti.

therm-x2 Line-Vmulti
This model offers unrivalled flexibility with its six connection possibilities. Three connection positions at the bottom, plus two valve positions. Everything can be combined as required.

therm-x2 Profil
Available in the versions therm-x2 Profil-K, therm-x2 Profil-K replacement, therm-x2 Profil- K / V / Vmulti Hygiene and therm-x2 Profil- V / Vmulti.

therm-x2 Profil-K
Steel panel radiators with a height of 200 (type 22 and type 33) are ideal for rooms with large windows or low parapets. They fit perfectly under window sills and in conservatories and set architectural accents without being obtrusive.

therm-x2 Plan
Available in the versions therm-x2 Plan-K, therm-x2 Plan-K replacement, therm-x2 Plan- K / V / Vmulti Hygiene and therm-x2 Plan- V / Vmulti.


therm-x2 Plan-Vmulti hygiene
A range of panel radiators for renovation, designed for the most common hub distances of 500 and 900 mm. The replacement radiators are available in the therm-x2 Profile-K, Plan-K and Line-K versions.
therm-x2 technology for maximum efficiency and comfort
Serial flow
Simple principle: first the front panel heats up and warms up quickly. Then the downstream plate heats up and acts as a radiation shield to maximise comfort.
Patented technology
The revolutionary x2 technology was developed and patented by KERMI in 2005. To this day, this technology is unrivalled in terms of efficiency and energy saving.
Highest energy efficiency
The x2 technology turns a steel panel radiators into an efficiency miracle that has been proven to save you up to 11% energy while enjoying 100% comfort.
Attractive design
Steel panel radiators with x2 technology also impress with their design - whether classic with a profile, simple with a smooth surface or stylish with discreet grooves.
Huge variety of models
Only KERMI offers so many options: 3 versions, 16 heights, 18 lengths, 8 types, 8 connection versions, 240 basic colours ... Everyone can find their energy-saving radiator here!
Flexible use
Steel panel radiators with x2 technology are versatile and always work efficiently - whether with condensing boilers or modern heat pump and solar thermal systems.
Guaranteed up-to-date
Energy saving in private households is more topical than ever. The x2 technology in combination with hydraulic balancing and connection flexibility makes your heating system more efficient.
Further benefits

therm-x2 compact radiator
The basic version, which meets the high KERMI quality standard, has four side connections and offers numerous connection options. A flat radiator with high heating capacity. For low flow temperatures.
Compact radiator for hot water operation therm-x2 profile Type 10 | Type 11 | Type 12 | Type 22 | Type 33 | |
Height mm | 200 - 900 |
Length mm | 400 - 3000 |
Depth mm | 61 - 155 |
Heat outputs Watt 75/65-20 °C | 134 - 9069 |
Compact radiators for hot water operation therm-x2 Plan-K | therm-x2 Line-K Type 10 | Type 11 | Type 12 | Type 22 | Type 33 | |
Height mm | 205 - 905 |
Length mm | 405 - 3005 |
Depth mm | 63 - 157 |
Heat output watts 75/65-20 °C | 117 - 8982 |

therm-x2 valve radiator
The KERMI valve radiator is connected at the bottom on the side. In the valve version, the valve insert with preset kv values is already integrated ex works. A flat radiator with high heating capacity. For low flow temperatures.
Valve radiator for hot water operation therm-x2 Profile V Type 10 | Type 11 | Type 12 | Type 22 | Type 33 | |
Height mm | 200 - 900 |
Length mm | 400 - 3000 |
Depth mm | 61 - 155 |
Heat outputs Watt 75/65-20 °C | 134 - 9069 |
Valve radiators for hot water operation therm-x2 Plan-V | therm-x2 Line-V Type 10 | Type 11 | Type 12 | Type 22 | Type 33 | |
Height mm | 205 - 905 |
Length mm | 405 - 3005 |
Depth mm | 63 - 157 |
Heat output watts 75/65-20 °C | 288 - 2989 |

therm-x2 Vmulti
The universal radiator with six connection possibilities. Flexibility in connection and valve position.
Valve radiator for hot water operation therm-x2 Profil-Vmulti Type 12 | Type 22 | Type 33 | |
Height mm | 300 - 900 |
Length mm | 400 - 3000 |
Depth mm | 64 - 155 |
Heat output Watt 75/65-20 °C | 288 - 9069 |
Valve radiators for hot water operation therm-x2 Plan-Vmulti | therm-x2 Line-Vmulti Type 12 | Type 22 | Type 33 | |
Height mm | 305 - 905 |
Length mm | 405 - 3005 |
Depth mm | 66 - 157 |
Heat output watts 75/65-20 °C | 266 - 8982 |

therm-x2 Hygiene Radiator
The clean solution for hygienic requirements. No convectors, no side panels. Quick and easy to clean. For a virtually dust-free indoor climate, suitable for allergy sufferers.
Compact radiators for hot water operation therm-x2 Profil-K Hygiene therm-x2 Profil-V Hygiene Type 10 | Type 20 | Type 30 | |
Height mm | 300 - 900 |
Length mm | 400 - 3000 |
Depth mm | 61 - 155 |
Heat output Watt 75/65-20 °C | 134 - 5919 |
Compact radiators for hot water operation therm-x2 Plan-K Hygiene | therm-x2 Line-K Hygiene therm-x2 Plan-V Hygiene | therm-x2 Line-V Hygiene Type 10 | Type 20 | Type 30 | |
Height mm | 305 - 905 |
Length mm | 405 - 3005 |
Depth mm | 63 - 157 |
heat output Watt 75/65-20 °C | 117 - 5613 |
Valve radiators for hot water operation therm-x2 Profil-Vmulti Hygiene Type 20 | Type 30 | |
Height mm | 300 - 900 |
Length mm | 400 - 3000 |
Depth mm | 61 - 155 |
Heat output Watt 75/65-20 °C | 233 - 5919 |
Valve radiators for hot water operation therm-x2 Plan-Vmulti Hygiene | therm-x2 Line-Vmulti Hygiene Type 20 | Type 30 | |
Construction heights mm | 305 - 905 |
Construction lengths mm | 405 - 3005 |
Construction depths mm | 63 - 157 |
Heat output watts 75/65-20 °C | 218 - 5613 |

therm-x2 Replacement radiators
KERMI replacement radiators are a quick, flexible and, above all, uncomplicated solution for replacing radiators. Precisely designed for DIN radiators with hub distances of 500 mm and 900 mm. No changes to pipe connections, no conversion work required. Few installation steps, no special accessories required.
Compact radiator for hot water operation therm-x2 Profil-K replacement Type 12 | Type 22 | Type 33 | |
Height mm | 554 - 954 |
Length mm | 400 - 3000 |
Depth mm | 61 - 155 |
Heat output watts 75/65-20 °C | 461 - 9456 |
Compact radiators for hot water operation therm-x2 Plan-K replacement | therm-x2 Line-K replacement Type 12 | Type 22 | Type 33 | |
Height mm | 559 - 959 |
Length mm | 405 - 3005 |
Depth | 63 - 157 |
Heat output Watt 75/65-20 °C | 1035 - 3111 |
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Radiators
- Contact customer service with any questions relating to our radiators
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