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Wall-mounted gas boiler

CGU-2

The WOLF CGU-2 room-sealed wall-mounted gas boiler is the perfect choice for replacing your old conventional boiler in existing housing.

CGU-2 conventional gas boiler

The structural circumstances in apartment buildings or flats can sometimes make converting from conventional to condensing technology simply too difficult. In cases such as these, the CGU-2 conventional appliance is the perfect choice for replacing old appliances. The CGU-2 version of the WOLF conventional appliance is a dedicated central heating boiler.

The CGU-2K conventional gas combi boiler is a low-temperature appliance that also heats DHW. The CGU-2K conventional combi boiler is available in the versions CGU-2K-18 with an output of 18 kW and CGU-2K-24 with 24 kW.

WOLF Gas calorific value boiler CGU

Benefits of WOLF CGU-2 gas appliances

High efficiency - man relaxing on the couch

Flexible

Compact 

Whether you choose the conventional boiler or conventional gas combi boiler, the space-saving designs of the wall-mounted CGU-2 and CGU-2K units can fit in any boiler room or utility room.

All types of gas

The CGU-2 can run on all conventional types of gas. You can also run this appliance on LPG if you are not connected to the gas mains.

Smartset advantages

Control unit from the same supplier

Seamlessly linked

We supply shared control units for all WOLF system components. So everything is in place for the seamless control of a perfectly integrated network. You can even control it conveniently using a smartphone app. Read more

Schematic diagram CGU-2K

Technology you can rely on

Long service life

The CGU-2 is equipped with a robust heat exchanger that guarantees a long service life for the appliance – a safe investment in your future.

Tried-and-tested heating system

Conventional, gas-fired, non-condensing technology has been employed with great reliability in countless households proving the value of this well-established technology.

Perfectly in tune with you.

Made in Germany
& German engineering

Put your trust in premium quality from our Bavarian development and production site. We manufacture durable, robust and reliable appliances. 

Made in Germany
& German engineering

Put your trust in premium quality from our Bavarian development and production site. We manufacture durable, robust and reliable appliances. 

WOLF know-how
Over 50 years of experience

We have been developing indoor environment solutions for decades. Always in line with our motto "Perfectly in tune with you".

WOLF know-how
Over 50 years of experience

We have been developing indoor environment solutions for decades. Always in line with our motto "Perfectly in tune with you".

All-rounders & experts
Heating, ventilation & air handling

We supply complete solutions from a single source. Benefit from a perfectly coordinated system with a single control unit and a single expert advisor. 

All-rounders & experts
Heating, ventilation & air handling

We supply complete solutions from a single source. Benefit from a perfectly coordinated system with a single control unit and a single expert advisor. 

Smart homes
Modern homes

Smart home technology lets you control your heating system, ventilation and many other appliances from wherever you are.

Smart homes
Modern homes

Smart home technology lets you control your heating system, ventilation and many other appliances from wherever you are.

Made in Germany
& German engineering

Put your trust in premium quality from our Bavarian development and production site. We manufacture durable, robust and reliable appliances. 

WOLF know-how
Over 50 years of experience

We have been developing indoor environment solutions for decades. Always in line with our motto "Perfectly in tune with you".

All-rounders & experts
Heating, ventilation & air handling

We supply complete solutions from a single source. Benefit from a perfectly coordinated system with a single control unit and a single expert advisor. 

Smart homes
Modern homes

Smart home technology lets you control your heating system, ventilation and many other appliances from wherever you are.

Technical details

CGU-2-10
CGU-2K-18
CGU-2K-24
Rated heating output at 50/30°C min./max.
kW
7.5 - 10
8 - 18
10.9 - 24
Width
mm
440
440
440
Height
mm
855
855
855
Depth
mm
393
393
393
Weight
kg
39
39
41

Technical details

  • CGU-2-10

  • CGU-2K-18

  • CGU-2K-24

    Rated heating output at 50/30°C min./max.
    kW
    7.5 - 10
    8 - 18
    10.9 - 24
    Width
    mm
    440
    440
    440
    Height
    mm
    855
    855
    855
    Depth
    mm
    393
    393
    393
    Weight
    kg
    39
    39
    41

    Do you have any questions?

    It can be complex and time-consuming to find the right solution for your home. We can help you to understand everything that is really relevant to your project in only a few minutes.

    You may be interested in

    Advice: Understanding gas heating

    Guide: Replacing gas heating

    Guide: Net vs. gross calorific value