The THERM 24 KDCN boiler is for a heating system and flow heating utility water. The water is heated by a secondary plate exchanger that is part of the boiler. The advantages of this method of heating utility water are the compact dimensions for small spaces and the low price of device.

The boiler has heating power of 4.9 to 20.7 kW for the heating. Heating power of up to 24.0 kW is reserved for heating utility water. The boiler can provide the maximum convenience in supplying hot water.


Recommended retail price: on request

eu_flagThe product THERM 24 KDCN complies all legislative, safety, healthy and environmental requirements of the European Union and CE mark enables the free movement of products within the market of the European Economic Area.

Emission category NOx 6 View the ErP label View the ErP label
  • Flow hot water heating in the secondary plate exchanger
  • Energy saving pump
  • Micro processor automatic control system
  • Stainless condensing body
  • Fluent output regulation
  • Can be regulated according to the spatial or outdoor temperature (equitherm regulation)
  • Great efficiency using the water steam condensing principle from burnt gases
  • Boiler communication through OpenTherm+ protocol
  • LCD parameters display
  • Can be combined with a floor heating system
  • Reliability and long service life
Technical data Unit THERM 24 KDCN
Class of seasonal energy efficiency of heating - A
Energy efficiency class of water heating - A
Declared loading profile - L
Nominal thermal input power kW 20.6
Min. – max. thermal output for heating kW 4.9 - 20.7
Max. thermal output for DHW kW 24.0
Fuel - natural gas / propane
Gas consumption - natural gas m3/h 0.48 - 2.04
Gas consumption - propane m3/h 0.20 - 0.80
Min. – max. overpressure of heating system bar 0.8 - 3.0
Maximum input pressure of heating water °C 80
Boiler efficiency % 99 - 107
Volume of expansion unit l 7
Nominal supply voltage / frequency V/Hz 230/50~
Auxiliary electricity at rated heat input W 74.5
Level of coverage of electrical part - IP 41 (D)
Diameter of smoke flue mm 60/100, 80/125, 2x80
Dimensions: height / width / depth mm 725 / 430 / 285
Weight of boiler kg 34
Order number - 1091