27
4
Sidewall direct venting
(continued)
4" (102 MM) DIA.
6" (152 MM) DIA.
RAIN CAP
"Y" CONCENTRIC
FITTING
"FLEXIBLE" PIPE
COUPLING
6" (152 MM) DIA.
6" (152 MM) DIA.
6" (152 MM) TO 4" (102 MM) REDUCER
Figure 4-8
Kit Contents_100140484 - Models 400 - 500
Sidewall termination installation
1. Determine the best location for the termination kit
(see FIG. 4-7).
2. Reference the
Determine Location Section
of this manual
for general termination considerations.
3. Cut one (1) hole 7 inch (178 mm) diameter for #100140484
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. 4-8).
b. Cement the rain cap to the smaller diameter kit pipe
(FIG. 4-8).
Sidewall termination – optional concentric vent: Models 400 - 500 Only
Description and usage
Lochinvar offers an optional concentric combustion air
and vent pipe termination kit (#100140484 for 4" (102 mm)
diameter - Models 400 - 500). 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. 4-7.
The required combustion vent pipe materials are listed in
Table 3H of this manual.
OVERHANG
OR ROOF
12" (305 MM)
MIN
12" (305 MM)
MIN
GRADE / SNOW LINE
Figure 4-7
Concentric Sidewall Termination
Installation & Operation Manual
Roof Terminations
Size
Part No.
4"
ICRT4679
Wall Terminations
Size
Part No.
4"
ICWT462
Table 4C
Alternate Centrotherm Concentric Vent
Terminations
