Gea, Gea Building Boiler testing By FransTrein April 5, 2010 October 5, 2020 The first official test of the boiler was done in April 2010, by the Stoomgroep Holland. Attempt to raise steam, no success Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *CommentName* Email* Website Save my name, email, and site URL in my browser for next time I post a comment. Notify me of follow-up comments by email. Notify me of new posts by email. Δ