Bosch Evolution 500 - Vent Pipe Connections

6 720 680 223
Installation instructions
15
Fig. 17 Vertical venting installation (twin pipe penetra-
tion)
Fig. 18 Vertical venting installation - Masonry Chim-
ney (combustion air piping not shown)
3.3.4 Vent connections
B Attach the flue gas exhaust accessory (8 705 504
151) to the top of the unit (position 1) using the 4
screws and gasket provided. Fully insert stainless
steel vent pipe 1.5” minimum into the accessory and
tighten the clamp (position 2).
Fig. 19
B Attach the combustion air inlet accessory (8 705
504 154) to the top of the unit (position 3) using the
3 screws and gasket provided, and install air intake
pipe over the accessory. NOTE: The appliance has
the option to mount the combustion air inlet acces-
sory on the top right or on the top left side of the
heater. The combustion air inlet that is not used must
be kept sealed.
Fig. 20
B Ensure that exhaust vent pipe is fully inserted in collar
to enable proper connection.
CHIMNEY
MORTAR
HANGERSTRAP
HORIZONTAL RUN
1/4"RISE/FT
ELBOW
APPLIANCE
MAY BEINSULATED
IFNECESSARY
6720608158-14.2AL
HOSE
CLAMP
ELBOW
RAINCAP
STORMCOLLAR
SILICONESEAL
FLASHING
CONDENSATE
DRAIN
2'MIN.
10'MIN.
3'MIN.
i
NOTE: Vent pipe must be completely
vertical when inserting or gasket inside
exhaust accessory can become
displaced. Exhaust accessory can be
removed with vent pipe attached to check
gasket position.
i
Exhaust venting must be 3" or 4" sealed
single wall stainless steel (AL29-4C) vent
pipe.