Additional Clearances - Takagi T-H2-DV Installation Manual And Owner's Manual

Please follow all local and national codes in regards to proper termination clearances. In the absence of
such codes, the following clearances can be used as guidelines. Local codes supersede these guidelines.
For sidewall terminations
2ft.
1ft.
1ft.
Inside
corner
Exhaust termination
For multiple sidewall exhaust
terminations (e.g. multi unit
systems), an exhaust termination
must be at least 1 ft. away from
another exhaust termination. An
exhaust termination must also be
at least 2 ft. away from an inside
corner (if the adjacent wall is less
than 2 ft. of length, the minimum
required distance away from the
inside corner will be equal to the
length of that adjacent wall).
2ft.
Exhaust
termination
Exhaust and/or direct vent
sidewall terminations should
be at least 2 ft. away from an
opposite surface/wall. Do
not place the termination
directly in front of an
opening into a building.

Additional clearances

3ft.
3ft.
3ft.
Air supply inlet
For direct vent sidewall
terminations that use two
separate penetrations for the
intake and exhaust, distance
the intake and exhaust
terminations at least 3 ft. away
from each other, no matter the
orientation.
For rooftop terminations
A
A
A
Exhaust termination
A: in accordance with local codes
For multiple unit rooftop terminations (whether for standard indoor or
direct vent installations) space all exhaust and intake terminations in
accordance with local codes. An exhaust termination must be spaced from
a wall or surface in accordance with local codes as well. In the absence of
such a code, an exhaust termination must be a horizontal distance of at
least 2 ft. away from a wall or surface.
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Page
1ft.
1ft.
Direct vent termination
For multiple unit, direct vent sidewall
terminations that combine the intake
and exhaust into a single penetration,
space each direct vent termination at
least 1 ft. away from each other, no
matter the orientation. A direct vent
termination must also be at least 2 ft.
away from an inside corner (if the
adjacent wall is less than 2 ft. of
length, the minimum required
distance away from the inside corner
will be equal to the length of that
adjacent wall).
2ft.
Air intake
Exhaust
termination
Installation
2ft.
Inside
corner
A
A
Air intake