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49Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
Figure 10.20 Venting through the wall
INTERIOR
HEAT SHIELD OR
EXTENDED
HEAT SHIELD
WALL SHIELD
FIRESTOP
HEAT SHIELD
1-1/2 IN. (38 MM) MIN.
OVERLAP
SHEATHING
VENT DEPTH FROM BACK OF APPLIANCE TO
OUTSIDE SURFACE OF EXTERIOR WALL
(SEE CHART BELOW)
SLIP SECTION
CAN BE EXTENDED
INNER VENT
OUTER VENT
EXTERIOR
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.
L. Install Horizontal Termination Cap (DVP
and 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 may 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 6 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.
NOTICE: For certain exposures which require superior
resistance to wind-driven rain penetration, a fl ashing kit and
HRC caps are available. When penetrating a brick wall, a
brick extension kit is available for framing the brick.
Cap Specifi cation Chart
(depth without using additional pipe sections)
CD4236
CD4842
Series
DVP-TRAPK1
Top Vent
Depth
DVP-TRAP1
Rear Vent
Depth
DVP-TRAPK2
Top Vent
Depth
DVP-TRAP2
Rear Vent
Depth
2-3/4 in. to
4-5/8 in.
3-1/8 in. to
5 in.
5-1/8 in. to
9-1/8 in.
5-1/2 in. to
9-1/2 in.
DVP-HPC1
Top Vent
Depth
DVP-HPC1
Rear Vent
Depth
DVP-HPC2
Top Vent
Depth
DVP-HPC2
Rear Vent
Depth
2-3/4 in. to
4-7/8 in.
3-1/8 in. to
5-1/4 in.
4-7/8 in. to
9 in.
5-1/4 in. to
9-3/8 in.
DVP-TRAP1 can adjust 1-1/2 in. (3-1/8 to 4-5/8 in.)
DVP-TRAP2 can adjust 4 in. (5-3/8 to 9-3/8)
DVP-HPC1 can adjust 2-1/8 in. (4-1/4 to 6-3/8)
DVP-HPC2 can adjust 4-1/8 in. (6-3/8 to 10-1/2)