Vaillant ecoTEC plus 612 Instructions For Installation And Servicing page 98

PLANNING THE AIR/FLUE DUCT LAYOUT
Maximum flue lengths for use with ecoMAX
Accessories Accy. No.
Horizontal 303 209 Max. permitted
flue systems
303 200 Max. permitted
Vertical
flue systems
Accessories Accy. No.
Horizontal 303 209 Max. permitted
flue systems
303 200 Max. permitted
Vertical
flue systems
42
Supplied By www.heating spares.co Tel. 0161 620 6677
613/2 E
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
824/2 E
25.0 m
concentric
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.
26.0 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
ecoMAX
618/2 E
25.0 m
incl.
1 elbow 87°
27.0 m
ecoMAX
828/2 E
30.0 m
incl.
1 elbow 87°
29.0 m
622/2 E
30.0 m
incl.
1 elbow 87° 1 elbow 87°
31.0 m
635/ E
835/ E
21.0 m
incl.
1 elbow 87°
22.0 m
pro 18 E
pro 28 E
20.0 m
incl.
20.0 m
incl.