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4
Sidewall direct venting
Sidewall termination – optional concentric vent
Description and usage
The manufacturer offers optional concentric combustion air
and vent pipe termination kits (Factory Kit #100140480 - 3"
or #100140485 - 2"). Both combustion air and vent pipes
must attach to the termination kit. The termination kit must
terminate outside the structure and must be installed as shown
below in FIG. 4-6.
The required combustion vent pipe and fittings are listed in
Table 3B, on page 16 of this manual.
Figure 4-6 Concentric Sidewall Termination
Sidewall termination installation
1. Determine the best location for the termination kit (see
FIG. 4-6).
2. Reference the Determine Location Section on page 21 of
this manual for general termination considerations.
24
Installation & Service Manual
™
F I R E T U B E
3. Cut one (1) hole (5 inch diameter for #100140480
installations or 4 inch diameter for #100140485 installations)
into the structure to install the termination kit.
4. Partially assemble the concentric vent termination kit.
Clean and cement using the procedures found in these
instructions.
a.
Cement the Y concentric fitting to the larger kit pipe
(FIG. 4-7).
b.
Cement the rain cap to the smaller diameter kit pipe
(FIG. 4-7).
Figure 4-7 Kit Contents
Table 4B Alternate Centrotherm Concentric Vent Terminations
Roof Terminations
Size
2"
3"
Wall Terminations
Size
2"
3"
Part No.
ICRT2435
ICRT3539
Part No.
ICWT242
ICWT352
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