Bosch GWH 345 ESR-N Manual page 22

Installation instructions
3.6.7 Exhaust vent configuration examples
Fig. 24 Horizontal side wall venting installation
Fig. 25 Vertical venting
Chimney
22
installation - Masonry
FIRESTOP SUPPORT
HANGER STRAPS
ELBOW
HORIZONTAL RUN
1/4" RISE/FT
FROM HEATER
APPLIANCE
Fig. 26 Vertical venting installation
NOTE: If appliance uses room air, do not place any
other combustion appliance in the same space, to avoid
depressurizing of the building and winter freeze-up. Use
room sealed operation instead.
RAIN CAP
STORM COLLAR
FLASHING
4" MIN.
AIR SPACE
CONDENSATE
DRAIN
TO DRAIN - DISPOSE
OF CONDENSATE
ACCORDING TO
LOCAL CODES
6720607915-14.6JS
6 720 607 909