Vitocrossal 200: Unparalleled flexibility and maximum efficiency

With its distinctive mix of proven Viessmann technology and innovative new features, the new Vitocrossal 200 CM2 takes a bold step forward while retaining the superior Viessmann quality you know and trust. The boiler combines unparalleled flexibility with maximum efficiency, making it your ideal choice for a new installation or economical retrofit in large residential or commercial applications. Able to reduce monthly expenses significantly.

The benefits at a glance:

  • Extremely low NOx emissions and quiet operation from new fully-modulating Viessmann pre-mix cylinder burner.
  • Wide modulation range of 5:1 turndown ratio precisely matches load conditions.
  • Pre-assembled burner simplifies installation and commissioning.
  • Multiple venting possibilities with installed air intake kit for direct or chimney venting PP(s) or stainless steel up to 198 ft. of vent length.
  • Common venting up to four boilers.*
  • Gas fuel flexibility (NG/LPG/LNG) with simple electronic conversion.
  • Low inlet gas pressure requirement (NG) as low as 4 inches of water column for compatibility with a range of supply pressures.
  • Large water content extends burner run time and reduces cycling.
  • No dedicated boiler pump required due to extremely low water pressure drop through heat exchanger – no low-loss header required.**
  • Generous stainless steel heat transfer surface area for maximum heat extraction.
  • Seamless integration with building management systems.
  • All models of the Vitocrossal CM2 (with the exception of the 620 model) are certified by the SCAQMD for low-NOx emissions. All models are certified by AHRI. All models are environmentally friendly and not noisy.

* In accordance with local codes and regulations of authorities having jurisdiction
** Contact your Viessmann Representative for boiler pump and low-loss header requirements in multiple-boiler installations

Vitotronic 300, GW6B touchscreen control

New Vitotronic 300, GW6B touchscreen control

Featuring a large 5 inches colour touchscreen display, with text and graphics for user-friendly operation, the Vitotronic 300 GW6B can be used as a stand-alone boiler control with outdoor reset capabilities, or as a primary/secondary control in a multi-boiler system (up to 8 boilers) – a separate cascade control is no longer required.

Vitocrossal 200 Specifications


Rated input
133 to 2245 MBH - 39 to 658 kW
Combustion efficiency
Natural gas, propane gas
Application range
For apartment buildings, commercial applications and district heating, new buildings and retrofits.
DHW heating
Additional DHW tank(s) required, for a high level of DHW convenience
Limited 10 year commercial warranty
Additional features
Up to eight Vitocrossal 200 boilers can operate in a cascade configuration, with inputs of 133 to 17,960 MBH.