Bosch 830 ES Installation And Operating Instructions Manual page 24

Installation instructions
4.3.3 Vent configuration examples
Below are approved examples of vertical and horizontal venting
installations.
Fig. 13 Horizontal side wall venting installation (single pipe
penetration)
[1] Termination
[2] Minimum above ground or normally expected snow
accumulation level
[3] Appliance
[4] Drain tee
[5] Elbow (note: minimum 1ft of straight vent pipe required)
[6] Horizontal run ¼" per foot down to termination
[7] Hanger strap
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Fig. 14 Horizontal venting installation (combustion air
piping not shown)
[1] Termination
[2] Minimum above ground or normally expected snow
accumulation level
[3] Appliance
[4] Elbow (note: minimum 1ft of straight vent pipe required)
[5] Horizontal run ¼" per foot down to termination
WARNING:
▶ Single pipe penetration should be used in non-freezing
climates only!
830 ES – 6 720 644 936 (2021/08)