27
3
Sidewall direct venting
(continued)
Figure 3-7 Kit Contents_CVK3003 - SNR150-100 --
SNR200-100
3. 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.
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).
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 3-8 Kit Contents_CVK3007 - SNA285-125 --
SNA500-125
Sidewall termination – optional concentric vent
Description and usage
Lochinvar offers optional concentric combustion air and
vent pipe termination kits (Factory Kit #CVK3003 for 3"
diameter - Models SNR150-100 - SNR200-100 and #CVK3007
for 4" diameter - Models SNA285-125 - SNA500-125). 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
2D, on page 20 of this manual.
Figure 3-6 Concentric Sidewall Termination
Installation & Service Manual
TM
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.
