Bosch GWH 2400 ES NG Manual page 13

Temperature modulated with electronic ignition suitable for heating potable water only not approved for space heating purposes
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Venting configuration examples
Fig. 12 Horizontal side wall venting installation
(combustion air piping not shown)
Important:
Note: Pitch horizontal runs down toward the
heater, except horizontal run between last elbow
and termination 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. 13 Vertical venting installation (combustion air
piping not shown)
6 720 608 782
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)
Installation instructions
installation
-
Masonry
13

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