11
800
☞
Observe the maximum flue
lengths as detailed in table on
page 9
Horizontal air/flue duct
Vaillant Accy No.: 303 930
Contents of the accessory:
• Horizontal air/flue duct
• 87° elbow
• 1 x 70 mm air duct clamp
• 1 x 40 mm air duct clamp
• Internal trim ring Ø 100
• External wall seal
☞
See page 6 et seq. for details of
air/flue duct elements.
Fig. 3.0: Horizontal air/flue conduit
Important:
The flue hole should be cut with a
slight rise to outside of 3°± 1°
(equivalent to 50 mm ± 20 mm rise
per metre length).
INSTALLATION OF THE HORIZONTAL AIR/FLUE DUCT
PA
R
T 1 CONCENTRIC 60/100
