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We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, confirm that the following
product exceeds the required efficiency level of 91 % specified by the
1st BImSchV paragraph 7 (2):
Vitoplex 300, type TX3A, 620 to 2000 kW
Allendorf, 19 January 2009 Viessmann Werke GmbH&Co KG
pp. Manfred Sommer
Manufacturer's certificate
Manufacturer’s certificate according to the 1st BImSchV
5692 798