Install Instructions

27
3 Sidewall direct venting (continued)
Figure 3-7 Kit Contents_CVK3003 - 126-065 -- 201-100
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 - 286-125 -- 501-125
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 126-065 - 201-100 and #CVK3007 for 4" diameter -
Models 286-125 - 501-125). 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
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.