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Minimum
3ft. (91 cm}
Minimum 3 ft. (91 era) within
a
hMght of 15_.
(4.6 m) above
meter/regulator
assam bly
Minim,
12 in= (30 am)
from sides of
permanently
cUosed window
[]
VENT TERMINAL
that reay be open
below a window that
from side of window
Minimum
12 in. (30 era) above
may be open
that may be open
window
or door that may be open
(_ AIR SUPPLY
INLET
[] AREA
WHERE
TERMINAL
IS NOT PERMITTED
suppUy inUat intobuilding
or combustion air iMet
to another appUianee
1. Permitted only if veranda, porch, deck or balcony
is fully opened on a minimum of two sides beneath the floor
2. A vent shall not terminate above a sidawaUk or paved driveway that is located between two single family dwelUings and sePces bMh dwelhgs,
FIGURE 23.
This unit can vent through 2", 3" or 4" nonmetallic
pipe and fittings.
The vent pipe installation can be started from either the blower discharge
or the termination
wall. Keep in mind the total vent system (pipe and
elbows)
when
installing
the vent system,
see VENTING
AND
INSTALLATION AND MAXIMUM VENT LENGTHS, page 17.
MORTAR
OR
WALL
PLATE
SILICONE
{OPTIONAL}
CAULK
/
PVC VENT
/
TERMINAL
WITH
MESH
PROTECTUVE
SCREEN
INSI[:)E
FROM
WATER
HEATER
PVC
COUPLING
FIGURE24.
The vent terminal should
be kept as dose as possible to the outside
wall, but you need to allow at least 1.5" (3.8 cm) of pipe past the wall,
for the wall flange and vent terminal to mount on the pipe.
Before the vent terminal is installed, caulk (not supplied) around the pipe
on the exterior wall and install the optional wal! flange. The flange can be
held to the outside wall by placing some of the caulking on the back of the
flange. The wall flange is supplied for decorative
purposes only and is
not a requirement for the vent termination
(if not needed by the installer).
VERTICAL VENT THROUGH ROOF
This unit is approved
for venting through
the roof with the type vent
terminal that is included with the unit. A proper flashing
or "BOOT"
should be used to seal the pipe where it exits the roof.
The total vent system should not exceed that which is specified,
see
VENTINGAND
INSTALLATION, page 17.
All of the pipe should be secured as per the instructions in the instructions
in the VENTING AND INSTALLATION, page 17.
VERTICAL VENT TERMINATION RESTRICTIONS
1. Minimum
of twelve !2" (30.5 cm) above the roof or twelve
12"
(30.5 cm) above the anticipated snow level
Provide proper support
for all pipe protruding
through the roof.
'VENT
TERMINAL
*ALL
PUPE PROTRUDRNG
THROUGH
THE ROOF
SHOULD
BE PROPERLY
SUPPORTED.
RGURE 25.
2. 4' (! .2 m) from or 1' (0.3 m) above any gable, dormer, or other roof
structure with access to interior of building (i.e.=vent, window etc.).
3. 3' (0.9 m) above any forced air inlet located within 10' (3.0 m).
19
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