Bosch ZWB28-3A - Approved Examples of Horizontal and Vertical Venting Installation

Installation | 47
6 720 643 068 (2011/06)Copyright (optional information)
5.8.2 Approved examples of horizontal and vertical
venting installation
Fig. 27 Horizontal venting system (room air only)
Fig. 28 Horizontal venting system (room air only)
Key to Fig. 27 and Fig. 28:
1 Intake
2 Exhaust
Fig. 29 Horizontal venting system (sealed combustion)
Fig. 30 Horizontal venting system (sealed combustion)
Key to Fig. 29 and Fig. 30:
1 Intake, behind exhaust
2 Exhaust
3 Wall termination
NOTICE:
B Place pipe supports every 5 feet (1525 mm)
of horizontal and vertical run, beginning with
support near boiler.
B The condensate must be disposed of in
accordance with applicable rules.
B Periodic cleaning of the vent terminal and
air-intake screens is mandatory.
B Avoid locating vent terminals near equipment
or building features which can be subject to
degradation from exhaust gases.
B If multiple boilers are installed in a row, allow
at least 1 foot (305 mm) clearance between
the vent termination of one and the
combustion air intake of the other.
6 720 641 933-06.1O
21
2
6 720 641 933-62.1O
2
1
≥ 4"
(102 mm)
2
6 720 641 933-63.1O
1
2
1
2
≥ 4"
(102 mm)
≥ 12"
(305 mm)
6 720 641 933-05.1O
1
2
3