Bosch ZWB28-3A - Page 48

48 | Installation
Copyright (optional information)6 720 643 068 (2011/06)
Fig. 31 Vertical venting system (sealed combustion)
Fig. 32 Vertical venting system (room air only) Fig. 33 Vertical venting system (sealed combustion)
Key to Fig. 31, Fig. 32 and Fig. 33:
1 Intake
2 Exhaust
3 Concentric termination
X Greater than 12 inches (305 mm)
Y 12 inches (305 mm) above maximum snow level or at least 24 inches (610 mm) whichever is greater
6 720 641 933-09.1O
Y
1 2
6 720 641 933-07.1O
1
Y
X
2
6 720 641 933-10.1O
1
2
Y
X