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116647-01B14
INSTALLATION FOR VERTICAL
TERMINATION
Note: Vertical restrictor must be installed in all
vertical installations.
1. Determine the route your vertical venting
will take. If ceiling joists, roof rafters or other
framing will obstruct the venting system,
consider an offset (see Figure 19) to avoid cut-
ting load bearing members. Note: Pay special
attention to these installation instructions for
required clearances (air space) to combustibles
when passing through ceilings, walls, roofs,
enclosures, attic rafters, etc. Do not pack air
spaces with insulation. Also note maximum
vertical rise of the venting system and any
maximum horizontal offset limitations.
2. Set the replace in desired location. Drop a
plumb line down from the ceiling to the posi-
tion of the replace exit ue. Mark the center
point where the vent will penetrate the ceiling.
Drill a small locating hole at this point.
Drop a plumb line from the inside of the roof
to the locating hole in the ceiling. Mark the
center point where the vent will penetrate the
roof. Drill a small locating hole at this point.
Flat Ceiling Installation
1. Cut a 10
3
/4" square hole in the ceiling using
the locating hole as a center point. The opening
should be framed to 10
3
/4"x10
3
/4" (273 mm
x 273 mm) inside dimensions, as shown in
Figure 9 on page 8 using framing lumber the
same size as the ceiling joists. If the area above
the ceiling is an insulated ceiling or a room,
nail restop from the top side. This prevents
loose insulation from falling into the required
clearance space. Otherwise, install restop
below the framed hole. The restop should
be installed with no less than three nails per
side (see Figure 20).
2. Assemble the desired lengths of pipe and
elbows necessary to reach from the replace
ue up through the restop. Be sure all pipe
and elbow connections are fully twist-locked
(see Figure 8, page 9).
3. Cut a hole in the roof using the locating hole
as a center point. (Cover any exposed open
vent pipes before cutting hole in roof.) The
10
3
/4"x10
3
/4" hole must be measured on the
horizontal; actual length may be larger depend-
ing on the pitch of the roof. There must be a
1" clearance from the vent pipe to combustible
materials. Frame the opening as shown in
Figure 9, page 9.
4. Connect a section of pipe and extend up
through the hole.
Note: If an offset is needed to avoid obstruc-
tions, you must support the vent pipe every 3
feet. Use wall straps for this purpose (see Fig-
ure 19). Whenever possible, use 45° elbows
instead of 90° elbows. The 45° elbow offers
less restriction to the ow of the ue gases
and intake air.
5. Place the ashing over the pipe section(s)
extending through the roof. Secure the base
of the ashing to the roof and framing with
roong nails. Be sure roong material over-
laps the top edge of the ashing as shown in
Figure 19. There must be a 1" clearance from
the vent pipe to combustible materials.
Figure 20 - Installing Firestop
If area above is not a
room, install restop
below framed hole.
If area above is a
room or insulated
area, install restop
above framed hole.
VENTING INSTALLATION
INSTRUCTIONS
Continued
Figure 19 - Offset with Wall Strap and 45°
Elbows
45° Elbow
Wall Strap
Roof
Flashing
Ceiling
Firestop