
8
Matrix Installation and Operation Instructions
3.2.2 Concentric Vent Termination (No longer approved for Canada)
Use NTI part # 82666 or York part # 1CT0303
Instructions included with vent terminal contain more detailed assembly and installation instructions.
Clearances and requirements of this manual supersede those of the instructions included with the vent terminal.
Terminal must be cemented together during installation.
3.2.3 Roof Venting
Must insert
lastic bird
screen
Must be 1”
from wall
Support
(Field installed)
Inlet air
Exhaus
Inlet air
Exhaus
Note: inlet pipe must always
be connected to the boiler.
Figure 3.3 Concentric Vent Termination
36” min.
Minimum 12”
lus snow
allowance
4” or greater
than 24”
48” min.
Gas Vent Directl
Belo
Keep Free of Obstructions
l
Plate Here
Support
Field su
lied
Roof weather seal
Flashin
field su
lied
Note: inlet pipe must
always be connected
12” Plus
Sno
18”
Fi
ure 3.4 Roof Ventin
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