Installation & Operation Manual
4 Sidewall direct venting
Sidewall termination – optional concentric vent
Description and usage
Lochinvar offers optional concentric combustion air and vent pipe termination kits (Factory Kit #CVK3003 - 3" or #CVK3008
-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.
The required combustion vent pipe and fittings are listed in Table 3D, on page 19 of this manual.
Figure 4-6 Concentric Sidewall Termination
Sidewall termination installation
1.Determine the best location for the termination kit (see FIG.
2.Reference the Determine Location Section on page 22 of this manual for general termination considerations.
3.Cut one (1) hole (5 inch diameter for #CVK3003 installations or 4 inch diameter for #CVK3008 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.
b.Cement the rain cap to the smaller diameter kit pipe (FIG.
Figure 4-7 Kit Contents
26