8
Matrix Installation and Operation Instructions
3.2 Venting Configurations
3.2.1 Two-Pipe Vent Termination
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.
Intake
Must insert
plastic bird
screen
Must be 1”
from wall
Support
(Field installed)
Inlet air
Exhaust
Inlet air
Exhaust
Note: inlet pipe must always
be connected to the boiler.
Figure 3.3 Concentric Vent Termination
36” min.
Minimum 12”
plus snow
allowance
4” or greater
than 24”
48” min.
Gas Vent Directly Below
Keep Free of Obstructions
Apply Plate Here
Must insert
plastic bird
screen
Figure 3.2 Two-Pipe Vent Termination
Apply Plate
Gas Vent Directly Below
Keep Free of Obstructions
36”
18”
4”-12” or greater
than 36”
Outside Wall”
Exhaust
Intake
Window
12” Plus Snow
Allowance Min”
12” Plus Snow allowance
Example 12+19=31
”
Coupling and
elbow to be
against wall
– ½” play is
acceptable
18” Min
The vertical portion of the exhaust
termination does not require insulation,
if less than 5 feet in total length
Exhaust
Intake
Exhaust
