Viessmann VITODENS Operating Instructions Manual page 52

Ordering fuel oil
Biofuels
(cont.)
With boilers built in or after 2012,
up to 10 % added bio-compo-
nents (FAME) are generally
allowed. Fuel oil must comply
with DIN 51603-6-EL A Bio 10.
If in doubt refer to your local heating con-
tractor.
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