Vaillant ecoMAX 618/2 E Installation Instructions Manual page 43

Maximum flue lengths for use with ecoTEC
Accessories Accy. No.
Horizontal 303 209 Max. permitted
flue systems
Vertical 303 200 Max. permitted
flue systems
Accessories Accy. No.
Horizontal 303 209 Max. permitted
flue systems
Vertical 303 200 Max. permitted
flue systems
PLANNING THE AIR/FLUE DUCT LAYOUT
plus 612
13.0 m
concentric incl.
flue length 1 elbow 87°
Maximum length of flue is reduced by 2.5 m for each additional 90° elbow.
Maximum length of flue is reduced by 1.0 m for each additional 45° elbow.
14.0 m
concentric
flue length
Maximum length of flue is reduced by 2.5 m for each additional 90° elbow
Maximum length of flue is reduced by 1.0 m for each additional 45° elbow
plus 630
25.0 m
concentric incl.
flue length 1 elbow 87°
Maximum length of flue is reduced by 2.5 m for each additional 87° elbow.
Maximum length of flue is reduced by 1.0 m for each additional 45° elbow.
27.0 m
concentric
flue length
Maximum length of flue is reduced by 2.5 m for each additional 90° elbow
Maximum length of flue is reduced by 1.0 m for each additional 45° elbow
ecoTEC
plus 615 plus 618
13.0 m
25.0 m
incl.
incl.
1 elbow 87°
1 elbow 87°
14.0 m 27.0 m
ecoTEC
plus 824 plus 831
25.0 m
25.0 m
incl.
incl.
1 elbow 87°
1 elbow 87°
27.0 m 27.0 m
plus 624
25.0 m
incl.
1 elbow 87°
27.0 m
pro 28
25.0 m
incl.
1 elbow 87°
27.0 m
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