Lochinvar Shield SWR125 Installation & Service Manual page 30

3
Sidewall direct venting
Sidewall termination – optional concentric vent
Description and usage
Lochinvar offers optional concentric combustion air and vent
pipe termination kits (Factory Kit #100140480 for 3" diameter -
Models 125 - 200 and #100140484 for 4" diameter - Models 285
- 500). Both combustion air and vent pipes must attach to the
termination kit. The termination kits must terminate outside
the structure and must be installed as shown in FIG. 3-6.
The required combustion vent pipe materials are listed in Table
2C, on page 20 of this manual.
Figure 3-6 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 23 of this
manual for general termination considerations.
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Installation & Service Manual
3. Cut one (1) hole (5 inch diameter for #100140480
installations or 7 inch 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.'s 3-7 and 3-8).
b. Cement the rain cap to the smaller diameter kit pipe
(FIG.'s 3-7 and 3-8).
Figure 3-7 Kit Contents_100140480 - 125 -- 200
Figure 3-8 Kit Contents_100140484 - 285 -- 500
6" (152 MM) TO 4" (102 MM) REDUCER
6" (152 MM) DIA.
6" (152 MM) DIA.
"FLEXIBLE" PIPE
COUPLING
RAIN CAP
6" (152 MM) DIA.
4" (102 MM) DIA.
"Y" CONCENTRIC
FITTING