Instructions / Assembly

Outdoor Conversion Manual 9
3. Remove and discard screw from concentric flue connection (Figure 8).
2 Screws
Figure 6
The outdoor vent cap is used for outdoor installations only.
• DO NOT install internal (indoor) water heaters outdoors without the Rinnai
outdoor vent cap.
• DO NOT install internal (indoor) water heaters indoors with the Rinnai
outdoor vent cap.
• DO NOT install in a recess box.
WARNING
1. Remove four screws on top of water heater (Figure 6).
2. Attach two supplied mounting brackets (left and right side) using four screws removed at step #1
(Figure 7).
Figure 8
2 Screws
Bracket
Bracket
Figure 7
Screw
Concentric Flue Connection
Outdoor Vent Cap
IMPORTANT
• The water heater must be mounted to the wall before the outdoor vent cap is installed. If the
outdoor vent cap is installed on the water heater first, you are not able to secure the water
heater on a wall by installing screws into the upper mounting bracket.
• Refer to the section “Install the Water Heater” in the “Tankless Water Heater Installation and
Operation Manual” for more information on mounting the water heater to the wall, connecting
the water, gas and power supply, and other installation guidelines.