Bosch GWH 715 ES User Manual page 14

Installation instructions
Venting configuration examples
Fig. 12 Horizontal side wall venting installation
(combustion air piping not shown)
Important:
Note: Pitch horizontal sections down to the
heater. Exception: horizontal run between last
elbow and termination must pitch 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.
FIRESTOP SUPPORT
FIRESTOP SUPPORT
HOSE
CLAMP
ELBOW
CONDENSATE
DRAIN
APPLIANCE
Fig. 13 Vertical venting installation (combustion air
piping not shown)
14
RAIN CAP
STORM COLLAR
FLASHING
4" MIN.
AIR SPACE
6720608158-91.1AL
Fig. 14 Above the roof clearance requirements from
rain cap (combustion air piping not shown)
Fig. 15 Vertical venting
Chimney (combustion air piping not shown)
3.3.2 Condensate drain requirements
A condensate drain must be installed under the
following conditions:
installation - Masonry
6 720 608 158