Viessmann O-Ring Exchange Program
for Kromschröder gas valve on Vitodens 200 boilers

Effective immediately, Viessmann is conducting a voluntary recall in cooperation with the U.S. Consumer Product Safety Commission, as well as the Canadian Standards Association of Kromschröder gas valve O-rings used on Vitodens 200 gas-fired wall-mounted condensing boilers manufactured between January 2002 and July 2006.

For further information, please click the links below.

> Frequently Asked Questions (for Homeowners)

> Recall Notice from the U.S. Consumer Product Safety Commission

> Information for Mechanical Contractors (Pro Login)



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