Bosch GWH 2700 ES LP - Manual (Page 14)

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14
Installation instructions
3.3.3 Venting configuration examples
Below are approved examples of horizontal
venting installations.
Fig. 13 Horizontal side wall venting installation (single
pipe penetration)*
* Warning: for non-freezing climates only!
Important:
Note: Pitch horizontal runs down toward the heater,
except horizontal run between last elbow and termina-
tion which must slope down to termination 1/4" per
foot.
Note: For horizontal terminations, venting must
terminate once it penetrates to the outside of the
structure. There must be no sections of vent pipe
exposed to the outdoors.
Fig. 14 Horizontal venting installation (concentric
penetration)
Fig. 15 Horizontal twin pipe penetration
Below are approved examples of vertical venting
installations.
Important:
Note: Pitch horizontal runs down toward the heater,
1/4" per foot.
Fig. 16 Vertical venting installation (single pipe pene-
tration)*
* Warning: for non-freezing climates only!
4"
6720608542-02.2AL
HORIZONTAL RUN
1/4" PER FOOT
DOWN TO
TERMINATOR.
CONDENSATE
DRAIN
12"
6720608782-11.1Av
Min. 3 Feet
3” stainless steel pipe
6720608542-05.2AL
26f
t
FIRESTOP SUPPORT
ELBOW
APPLIANCE
HOSE
CLAMP
RAIN CAP
STORM COLLAR
FLASHING
FIRESTOP SUPPORT
4" MIN.
AIR SPACE
6720608158-91.2Av
CONDENSATE
DRAIN
2' MIN.
10' MIN.
3' MIN.