THERM 18 KDZ 5

THERM 18 KDZ 5

The THERM 18 condensing boiler series combines top technology, based in the latest findings in the field, and state-of-the-art components allowing active control of the combustion operation with regard to gas consumption, preventing unnecessary energy loss. The boilers have stainless exchanger with cooled front burner wall. The new type of the gas valve in combination with the burner provides a high level modulation. The regulation ratio of this type of boiler is then 1:10 and the minimum output starts at 1.8 kW. The boiler represents the PREMIUM Condens series with superior technological design.

Thanks to the broad range of output modulation, from 1.8 kW to 19.0 kW, the boilers are designed to be used in low-energy buildings with low heat loss. The THERM 18 KDZ 5 version is designed for central heating and for heating household water in an integrated stainless tank with a capacity of 55 litres.

 

Recommended retail price: on request

eu_flagThe product THERM 18 KDZ 5 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.

Information Sheet

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Emission category NOx 6View the ErP labelView the ErP label
  • The boiler includes a stainless tank with a capacity of 55 litres
  • The product is designed for central heating and for heating household water in an integrated storage tank
  • Exceptionally ecological operation – Class NOx 6
  • Condensing body with a brand new type of boiler: BLUEJET®
  • Broad modulation range: from 1.8 kW to 19.0 kW
  • New design of a multiphase fan
  • Noise reduction at higher speed
  • Electrically modulated SGV gas valve
  • Modulated high-efficiency circulating pump
  • New control unit with auto-diagnostics
  • The electronic system receives feedback about the status of burning and performs optimisation of the program map
  • Suitable combination with the floor heating system
  • Boiler communication and regulator via OpenTherm+
Class of seasonal energy efficiency of heating

A

Energy efficiency class of water heating

A

Declared loading profile

L

Nominal thermal input power

18.0

Min. – max. thermal output for heating

1.8 – 19.0

Max. thermal output for DHW

17.5

Fuel

natural gas / propane

Gas consumption - natural gas

0.181 – 1.749

Gas consumption - propane

0.070 – 0.711

Min. – max. overpressure of heating system

0.8 – 3.0

Maximum input pressure of heating water

80

Boiler efficiency

99 – 106

Volume of expansion unit

7

Volume of the integrated tank

55 (stainless)

Volume of expansion unit of DHW

2

Nominal supply voltage / frequency

230/50~

Auxiliary electricity at rated heat input

68.2

Level of coverage of electrical part

IP 41 (D)

Diameter of smoke flue

60/100, 80/125, 2×80

Dimensions: height / width / depth

725 / 800 / 385