Vaillant ecoTEC plus 612 Instructions For Installation And Servicing page 67

Maximum flue lengths for use with ecoMAX
Accessories Accy. No.
Horizontal
303 933 Max. permitted
flue systems
concentric
flue length
Fig. 1.17
Variable 303 942 Max. permitted
termination 303 946 concentric
kit flue length
only in Fig. 1.19
combina-
tion with
303 933
303 900 Max. permitted
Vertical
concentric
flue systems
flue length
Fig. 1.18
Supplied By www.heating spares.co Tel. 0161 620 6677
PLANNING THE AIR/FLUE DUCT LAYOUT
Fig. 1.17: Flue support clip, Ø 60 mm
613/2 E
824/2 E
618/2 E
622/2 E
7.0 m
8.0 m
incl.
incl.
1 elbow 87°
1 elbow 87°
Maximum length of flue is reduced by 1.0 m for each additional 87° elbow
Maximum length of flue is reduced by 0.5 m for each additional 45° elbow
The maximum permitted concentric flue length given above is reduced as
follows:
- Reduced by 0.5 m for the variable terminal
- Reduced by 0.5 m for every 1 m VTK pipe
- Reduced by 0.5 m for every 87° bend
- Reduced by 0.5 m for 2 x 45° bend
9.0 m
12.0 m
Maximum length of flue is reduced by 1.0 m for each additional 87° elbow
Maximum length of flue is reduced by 0.5 m for each additional 45° elbow
Flue support clip, Ø 60 mm
delivered with kits
ecoMAX
828/2 E 635/ E
835/ E
8.0 m 4.0 m
incl. incl.
1 elbow 87° 1 elbow 87°
10.0 m 7.0 m
pro 18 E
pro 28 E
10.0 m
incl.
1 elbow 87°
10.0 m
11