Installation & Operation Manual
28
4
Sidewall direct venting
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 4-9 Kit Contents_CVK3007 - Models 286 - 601
Sidewall termination – optional concentric vent: Models 151 - 601
Description and usage
Lochinvar offers optional concentric combustion air and
vent pipe termination kits (Factory Kit #CVK3003 for 3”
diameter - Models 151 - 200 and #CVK3007 for 4” diameter
- Models 286 - 601). 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 below in FIG. 4-7.
The required combustion vent pipe materials are listed in
Table 3D, on page 19 of this manual.
Figure 4-7 Concentric Sidewall Termination
Sidewall termination installation
1. Determine the best location for the termination kit (see
FIG. 4-7).
2. Reference
the
Determine Location Section
on page 22 of
this manual for general termination considerations.
4" DIA.
SDR-26 PIPE
3" DIA.
SDR-26 PIPE
RAIN CAP
"Y" CONCENTRIC
FITTING
Figure 4-8 Kit Contents_CVK3003 - Models 151 - 200
4. Cut one (1) hole (5 inch diameter for #CVK3003 installations
or 7 inch diameter for #CVK3007 installations) into the
structure to install the termination kit.
5. 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 4-8 and 4-9).
b. Cement the rain cap to the smaller diameter kit pipe
(FIG.’s 4-8 and 4-9).
