Webasto Thermo 90 ST B Installation Manual page 25

Thermo 90 ST
The exhaust pipe must be securely attached
no further than 150 mm (6 in.) from the end
of the exhaust pipe to ensure that the angle
of 90° ± 10° verticle-down is maintained.
10°
Discharge direction almost vertical 90° ± 10°
Figure 28: Exhaust pipe termination
IMPORTANT!
If the exhaust line cannot be installed so that it slopes downwards at all points, a water drain hole with a
diameter of 4 mm (5/32") is to be made at its lowest point to allow condensate to drain.
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10°
23
Exhaust System
Webasto Product N.A., Inc.