Bosch C 950 ES - Vent Configuration and Drainage; Approved Venting Configuration Examples

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Installation instructions
3.3.3 Vent configuration examples
Below are approved examples of vertical and horizontal
venting installations.
Fig. 11 Vertical venting system (single pipe penetra-
tion)
Fig. 12 Horizontal venting installation (combustion air
piping not shown)
Warning: Single pipe penetration should be used in
non-freezing climates only!
Fig. 13 Horizontal venting system (concentric vent)
Fig. 14 Horizontal parallel venting system (twin pipe
direct vent)
6720608836-24.2V
3" (80mm)
INTAKE
EXHAUST
MAINTAIN 12 IN. (18 IN. FOR CANADA)
MINIMUM CLEARANCE ABOVE
HIGHEST ANTICIPATED SNOW LEVEL.
MAXIMUM OF 24 IN. ABOVE ROOF.
DRAIN TEE
4"
HORIZONTAL RUN
DOWN TO
TERMINATOR.
SIDE
OF
WATER
HEATER
NOTE:
MINIMUM1FT OF
STRAIGHT VENT PIPE
REQUIRED
6720608542-10.1V
6720608643-11.2V
3" (80mm)
3" (80mm)
INTAKE
EXHAUST
MINIMUM
1”
EXHAUST
COMBUSTION
AIR
DRAIN TEE
6720608836-25.1Av