37
SSCBL-RPBL-IOM (10-22) 149159-C
Figure 30. Combustion Air Inlet and Vent Terminal Installation
10 . Install indoor combustion air pipe:
a . Secure single-wall combustion air pipe run to collar on concentric adapter box using sheet metal screws . If
using 7-inch piping, install tapered enlarger as shown in
b . Seal pipe joints with tape or sealant .
11 . Verify compliance with
and with all specific venting requirements listed above .
Horizontal Vent Terminal (Option CC6) Installation
•
Field-supplied components required for installation of the horizontal vent kit are as follows:
a . Vent and combustion air piping in accordance with
b . Tapered vent pipe diameter reducers and/or increasers, as required
c . Thimble (not required if wall is of non-combustible construction)
d . Flashing
e . Sheet metal screws, tape, and sealant, as required
•
Factory-supplied components for installation of the horizontal vent kit are listed in
SECOND,
Install the Exhaust (Vent) Terminal.
FIRST, Install Combustion Air Inlet
.
1) Slide the combustion air inlet over the vent pipe.
2) Fasten bottom of inlet to the combustion air pipe
with sheetmetal screws. Be sure not to penetrate
the vent pipe.
3) At the top, completely seal the space between the
vent pipe and the air inlet with silicone.
Double-wall
Ve
nt Pipe
Cold Climate NOTE:
In geographic
areas where the design ambient is
-10°F or lower, this minimum height
is 24” (610 mm)
Single-wall Combustion Air Pipe
Table 19. Horizontal Vent Terminal/Combustion Air Package (Option CC6) Components
PN
Description
Quantity
205883
Kit package
1
*
205885
Concentric adapter box (see
)
1
53316
Assembly, screened exhaust (see
1
205894
Inlet guard (see
1
37661
Screw, sheet metal, #10-16 × 1/2
4
207232
Concentric adapter box bracket
2
53335
High-temperature silicone sealant, tube
1
*
One (1) required for each furnace section .
