Bosch C 950 Installation Manual page 21

4.3.7 Common venting of 2 to 4 units
2 to 4 unit cascades can be common vented using the optional PP
common venting system. The water heaters can be installed in a back to
back configuration as shown in fig. 27, or side by side as shown in fig.
28.
The systems are custom configurable for vent lengths from 40" (1m) up
to 100' (30m) and either a vertical or horizontal termination (see fig.
26).
The following configurations are available:
Units
2
4
2
3
4
Table 26
Where no empty wall space is available a powder coated steel racking
system is also available for water heaters in side by side or back to back
configurations. See the respective product brochure for details.
Fig. 26 Common venting for 2 to 4 water heaters available with vertical
or horizontal termination
Greentherm
Configurations
Back to Back
Back to Back - see fig. 27
Side by Side - see fig. 26
Side by Side
Side by Side - see fig. 28
Fig. 27 Back to back configuration
Fig. 28 Side by side configuration
For available parts and configurations see the Greentherm Common
Vent Bulletin available on www.bosch-climate.us.
NOTICE: Drawings 26 to 28 depict the conceptual
configurations available.
▶ For installation details and requirements consult the
respective common vent installation instructions
listed below.
Content Document number
Side by side basic kit 6 720 804 523
Side by side extension kit 6 720 804 524
Back to back basic kit 6 720 804 520
Back to back extension kit 6 720 804 522
Table 27
Installation instructions | 21
Part number
7 736 501 100
7 736 501 254
7 736 501 253
7 736 501 252
6 720 805 440 (2014/11)