Gas condensing boiler

Gas condensing boilers offer optimum energy utilisation with frugal consumption, resulting in maximum savings for you!
- Brochure | Heating with gas (PDF 7 MB)
- Brochure | Oil/gas boilers for medium and high output (PDF 5 MB)

The MatriX gas burner

The MatriX gas burner represents a milestone in Viessmann heating technology. Use of the stainless steel MatriX gauze means that it is characterised by a long service life. The burner is insensitive to high temperature loads.

Gas condensing boiler

By using a condensing boiler to convert natural gas into heat, you make an active contribution towards protecting the climate and the environment, thanks to the boiler's unbeatably high efficiency of 98 percent.

Type of comparison

Gas-Brennwertkessel Vitocrossal 300 Typ CT3B

Vitocrossal 300 CT3B

Type CT3B, gas condensing boiler, rated heating output: 187 to 635 kW, apartment buildings, large residential buildings, commerce, municipal offices, new build and modernisation projects

Gas-Brennwertkessel Vitocrossal 300 Typ CR3B

Vitocrossal 300 CR3B

Type CR3B, gas condensing boiler, rated heating output: 787 to 1400 kW, large residential buildings, commerce, municipal offices, new build and modernisation projects