3” Liners
3” min.
Bend
Radius
Terminal Cap
Flashing
2 x 3”
fl
ex
liners—see
Venting Table
for length
allowed
Existing
fi
replace
and
chimney
Typical Vent Installation
See list of approved Venting Accessories on page 38 of this manual.
NOTE: Flexible co-linear vent pipes may only be installed into existing
non-combustible solid-fuel burning fi replaces and chimneys.
Vent Location
The vent terminal must be located through the
roof. This direct vent appliance is designed to
operate when an undisturbed air
fl
ow hits the
outside vent terminal from any direction.
Check local codes for allowable vertical vent
termination.
Venting Table
Maximum vertical height 40 ft (measured to bottom of termination)
Minimum vertical height
10 ft (measured to bottom of termination)
Maximum horizontal run
4 ft (measured center to center of pipe)
Maximum offset angle
45
˚
(sweeping bend to allow for obstructions)
Venting Notes
Where possible, avoid joining
fl
ex pipes. If joints
are required, use a approved connector and seal
joints with
RTV high temp sealant
.
Horizontal offset is permissible to allow for
routing around masonry projections. Avoid
bending
fl
ex pipe over a 45 degrees radius
where possible.
10
Venting
INSTALLATION
