Functional and easy to use
KTX 1 has a 2-step heating output regulation. Large, user-friendly buttons make its use even easier. The device has the Anti-Freeze function which protects the heating medium from freezing.

KTX1 is the I class heating element. The II class is also available as a SKT1 device.


Functionality The KTX 1 has two settings: 50% and 100% of the nominal power. It is designed for use with the TS 1 heating element. The unique feature of the KTX range of heating elements is the Terma‑Split System. The Terma‑Split connector makes it possible to disconnect the TS 1 from the controller head.

Intelligent Building Systems In the event of a power failure the heater remembers its setting (last setting used), which is useful when the device is controlled by external timers and intelligent building systems buildings.

Safety The KTX 1 is equipped with ‘frost’ protection (ANTIFREEZE). It has a double protection against overheating of the radiator. The heating element displays warning indicators in case of malfunction.

Design The KTX 1 has large, ergonomic buttons. A version with a cable‑masking cover, additional power on/off switch and screw connection is also available.

Colour Available colours: white, silver, chrome and black. The heating element can also be offered in any RAL colour and Terma special colours (including brass and gold) subject to a minimum order of 100 pcs per colour.

Features and functions

  • Funkcjonalny design
  • Dwustopniowa regulacja mocy grzania
  • Wyjątkowa ergonomia obsługi – duże, czytelne klawisze
  • Do wyboru 4 kolory wykończenia – biały, silver, chrom, czarny
  • Funkcja ANTIFREEZE, zabezpieczenie przed spadkiem temperatury grzejnika poniżej 5-7°C.
  • Podwójne zabezpieczeniem przed przegrzaniem
  • Symetryczna obudowa (montaż dowolnie po lewej lub prawej stronie)
  • Możliwość odłączenia elementu grzejnego dzięki wykorzystaniu złącza Terma-SPLIT

Technical Specifications

Available output power:
120, 200, 300, 400, 600, 800, 1000W
Protection devices:
Class I
Radiator connection:
Ingress protection [IP]:
Model headerColor
Product CodeConfigure Code
KTX 1White120325WEKT101T916*
KTX 1White200285WEKT102T916*
KTX 1White300310WEKT103T916*
KTX 1White400345WEKT104T916*
KTX 1White600375WEKT106T916*
KTX 1White800485WEKT108T916*
KTX 1White1000575WEKT110T916*
KTX 1White-WEKT1K916*
KTX 1Chrome120325WEKT101TCRO*
KTX 1Chrome200285WEKT102TCRO*
KTX 1Chrome300310WEKT103TCRO*
KTX 1Chrome400345WEKT104TCRO*
KTX 1Chrome600375WEKT106TCRO*
KTX 1Chrome800485WEKT108TCRO*
KTX 1Chrome1000575WEKT110TCRO*
KTX 1Black120325WEKT101T905*
KTX 1Black200285WEKT102T905*
KTX 1Black300310WEKT103T905*
KTX 1Black400345WEKT104T905*
KTX 1Black600375WEKT106T905*
KTX 1Black800485WEKT108T905*
KTX 1Black1000575WEKT110T905*
KTX 1Black-WEKT1K905*
KTX 1Gold120325WEKT101TGPO*
KTX 1Gold200285WEKT102TGPO*
KTX 1Gold300310WEKT103TGPO*
KTX 1Gold400345WEKT104TGPO*
KTX 1Gold600375WEKT106TGPO*
KTX 1Gold800485WEKT108TGPO*
KTX 1Gold1000575WEKT110TGPO*
KTX 1Silver120325WEKT101TSMA*
KTX 1Silver200285WEKT102TSMA*
KTX 1Silver300310WEKT103TSMA*
KTX 1Silver400345WEKT104TSMA*
KTX 1Silver600375WEKT106TSMA*
KTX 1Silver800485WEKT108TSMA*
KTX 1Silver1000575WEKT110TSMA*
* Add the appropriate cabel type symbols here

Available colours: white, silver, chrome and black. The heating element can also be offered in any RAL colour and Terma special colours (including brass and gold) subject to a minimum order of 100 pcs per colour.

The reproduction of colours on electronic devices may vary slightly from those seen on the actual products. For a more exact colour selection it is always best to ask for a matching colour chip sample. These are available from our Sales

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