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Vitoladens appliances are approved for
the combustion of low sulphur fuel oil to
DIN 51603-EL-1 (max. sulphur content
50 ppm).
A condensate neutralising system is not
required (according to Code of Practice
ATV-DVWK-A 251 [Germany]) when
using this low sulphur fuel.
Fuel oil additives
Fuel oil additives are substances that
can be used providing they have the fol-
lowing properties:
■ Improvement of stability during fuel
storage.
■ Increase in the thermal stability of the
fuel.
■ Reduction of odour development dur-
ing filling.
!
Please note
Fuel oil additives can create res-
idues and impair the safe opera-
tion of your heating system.
The use of fuel oil additives that
leave residues is not permissible.
Combustion improvers
Combustion improvers are additives for
optimising fuel oil combustion.
Viessmann oil burners do not require
combustion improvers, as these burners
operate with clean and efficient combus-
tion.
!
Please note
Combustion improvers can cre-
ate residues and impair the safe
operation of your heating sys-
tem.
The use of combustion improvers
that leave residues is not permis-
sible.
Biofuels
Biofuels are made from vegetable oil,
e.g. sunflower or rapeseed oil.
!
Please note
Biofuels can cause damage to
Viessmann oil burners.
Ordering fuel oil
Fuel oil quality
5592 682 GB
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