Using Rigid Vent Components; Horizontal Air Terminal Installation - Napoleon Ascent BLP42NTE Installation Manual

venting installation
EN
5.5

using rigid vent components

5.5.1 horizontal air terminal installation

A. Move the appliance into position. Measure
the vent length required between terminal and
appliance taking into account the additional
length needed for the fi nished wall surface and
any 2" (50.8mm) overlaps between venting
components.
Apply a heavy bead of Mill Pac sealant
B.
(W573-0007) (not supplied) to the outer edge of
the inner collar of the appliance. Attach the fi rst
inner rigid pipe component and secure using a
minimum of three screws. Repeat using the outer
rigid pipe. Seal using Red RTV Silicone (W573-0002)
(not supplied).
C. Insert the vent pipes through the fi restop maintaining the required clearance to
combustibles. Apply a heavy bead of Red RTV Silicone (W573-0002) (not supplied) to both the
inner sleeve and outer sleeve of the air terminal. Slide the terminal sleeves into the rigid pipes a minimum
of 1 1/4". Holding the air terminal (lettering in an upright, readable position), secure to the exterior wall and
make weather tight by sealing with caulking (not supplied).
The air terminal mounting plate may be recessed into the exterior wall or siding no greater than the
depth of the return fl ange.
32
W415-4038 / A / 01.31.23
#10x2"
SCREWS
CAULKING
OUTER
RIGID
PIPE
2" (50.8mm) OVERLAP
INNER
RIGID
PIPE
HI-TEMP
SEALANT
18.3A