Bosch 940 ES Installation Manual page 19

Preferred damper position for vertical terminations
Unconditioned
space. Do not
install damper.
Enclosed vent
pipe. Do not
install damper.
Fig. 26 Combustion air piping not shown for clarity
purposes
Good - Vertical directly on top of the heater.
Better - Closer to the termination horizontally installed in a condi-
tioned space.
Best - Closer to the termination vertically installed in a conditioned
space.
3.3.7 Venting for manufactured (mobile) homes
Warning: In a manufactured (mobile)
home installation, combustion air shall
not be supplied from occupied spaces.
When this appliance is installed in a mobile home, it is
required that the venting be installed such that all com-
bustion air is provided from outside the structure. As
such, single pipe venting installations are forbidden in
mobile home installations. Appropriate flue gas venting
parts are listed in the table 19:
6 720 644 930
6720608542-09.1V
3" Venting
24" Drain Tube Kit
3" x 45° Elbow
3" x 90° Elbow
3" x 6" Pipe
3" x 12" Pipe
3" x 18" Pipe
3" x 2' Pipe
3" x 3' Pipe
3" x 4' Pipe
Inline Vertical Tee
3" Roof Flashing 0/12-6/12
3" Roof Flashing 7/12-12/12
3" Rain Cap
3" Custom Wall Thimble
3" Exhaust/Intake Vent Hood
w/10" Sleeve (Qty 2)
3" Adjustable Adapter
3" Gear Clamps (Qty 2)
3" Storm Collar
Extreme Weather Termina-
tion*
Horizontal Drain Tee
Table 19 Z-Flex Venting list
Installation instructions
Z-flex Venting
2SVEDTK24
2SVEEWCF0345
2SVEEWCF0390
2SVEPWCF03.5
2SVEPWCF0301
2SVEPWCF0301.5
2SVEPWCF0302
2SVEPWCF0303
2SVEPWCF0304
2SVEVDP03
2SVSADJF03
2SVSADJSF03
2SVSRCF03
2SVSWTCEC03
2SVSTB03
4ZVAL03
7HS44XX
2SVSLSF03
2SVSHRC03
2SVEDWCF03
19