Bosch 8300iW Installation Instructions Manual page 6

6 I Condens 8300iW External Boiler Casing
Step by step instructions
Once the boiler manifold has been
installed, install the Bosch boiler.
Refer to Bosch boiler installation
instructions.
Once boiler has been installed,
return to this instruction manual
to complete the external casing
installation.
Ensure the tab on top of boiler
4
is fixed back to wall with
appropriate fixing.
Horizontal Flue Installation
(7738112499)
1. Mount flue elbow to top
of boiler.
2. Remove flue terminal end
from extension flue piece
and discard extension.
3. Install flue terminal piece
directly into elbow, fixing
with screw.
5
Refer to flue kit installation
manual for more information
Part no. 8736200348
1.
O
2
CO
2
3.
2.
x3
Elbow
2.
1.
Bosch 8300iW External Boiler Casing Installation Instructions
Flue Terminal Piece
Discard extension flue piece