Horizontal Termination Requirements - Heat & Glo COSMO32-IFT-B Installation Manual

F. Horizontal Termination Requirements
Heat Shield Requirements for Horizontal
Termination
WARNING! Risk of Fire! To prevent overheating and fi re,
heat shields must extend through the entire wall thick-
ness.
• DO NOT remove the heat shields attached to the
wall shield fi restop and the horizontal termination cap
(shown in Figure 7.12).
• Heat shields must overlap 1-1/2 in. (38 mm) mini-
mum.
There are two sections of the heat shield. One section
is factory-attached to the wall shield fi restop. The other
section is factory-attached to the cap. See Figure 7.12.
If the wall thickness does not allow the required 1-1/2 in.
(38 mm) heat shield overlap when installed, an extended
heat shield must be used.
• If the wall thickness is less than 4 in./102 mm (DVP)
or 4-3/8 in./ 111 mm (SLP), the heat shields on the cap
and wall shield fi restop must be trimmed. A minimum
1-1/2 in. (38 mm) overlap MUST be maintained.
• Use an extended heat shield if the fi nished wall thickness
is greater than 7-1/4 in. (184 mm).
• The extended heat shield may need to be cut to length
maintaining suffi cient length for a 1-1/2 in. (38 mm)
overlap between heat shields.
• Attach the extended heat shield to either of the existing
heat shields using the screws supplied with the extended
heat shield. Refer to vent components diagrams in the
back of this manual.
• Rest the small leg on the extended heat shield on top
of the pipe section to properly space it from the pipe
section.
Important Notice: Heat shields may not be fi eld constructed.
Heat & Glo • COSMO32-IFT-B, COSMO36-IFT-B, COSMO42-IFT-B Installation Manual • 2619-980 Rev. G • 7/20
48
Install Horizontal Termination Cap (SLP Pipe)
WARNING! Risk of Fire! The telescoping fl ue section of
the termination cap MUST be used when connecting vent.
• 1-1/2 (38 mm) minimum overlap of fl ue telescoping
section is required.
Failure to maintain overlap could cause overheating and
fi re.
• Vent termination must not be recessed in the wall. Siding
may be brought to the edge of the cap base.
• Flash and seal as appropriate for siding material at
outside edges of cap.
• When installing a horizontal termination cap, follow
the cap location guidelines as prescribed by current
ANSI Z223.1 and CAN/CGA-B149 installation codes
and refer to Section 4 of this manual.
CAUTION! Risk of Burns! Local codes may require in-
stallation of a cap shield to prevent anything or anyone
from touching the hot cap.
Note: When using termination caps with factory-supplied
heat shield attached, no additional wall shield fi restop is
required on the exterior side of a combustible wall.
HEAT SHIELD OR
WALL SHIELD
FIRESTOP
INNER VENT
OUTER VENT
VENT DEPTH FROM BACK OF APPLIANCE TO
OUTSIDE SURFACE OF EXTERIOR WALL
(SEE CHART BELOW)
Figure 7.12 Venting Through the Wall
HEAT SHIELD
EXTENDED
1-1/2 IN. (38 MM) MIN.
HEAT SHIELD
OVERLAP
SLIP SECTION
CAN BE EXTENDED
SHEATHING
INTERIOR EXTERIOR