INSTALLATION—CONTINUED
Concentric Adapter Box Connections
• All model UEZ installations require a concentric adapter box. The concentric adapter box is included in the vent/
combustion air kit, which is ordered with the heater.
• A horizontal terminal vent/combustion air kit is option CC6; a vertical terminal vent/combustion air kit is option CC2.
The concentric adapter box is included in both the horizontal and vertical vent/combustion air kits. Installation is
included in the instructions for options CC6 and CC2.
• The concentric adapter box is shown Figure 8. Dimensions and connections are shown in Figure 9.
Figure 8. Concentric Adapter Box
There is silicone ring around
this opening in box. Loosen
screws on pipe support bracket.
Adjust bracket to provide good
seal with ring and tighten screws.
HEATER SIDE VIEW
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I-UEZ (04-21) 1034347-0