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VB Series Indoor LS Manual 17
Clearances from Appliance
1. Identify the installation location and confirm that
the installation will meet all required clearances.
2. Securely attach the water heater to the wall using
any of the holes in the wall installation brackets
which are at the top and bottom of the water
heater. Ensure that the attachment strength is
sufficient to support the weight. Refer to the
weight of the water heater in the Specifications
section.
NOTE: Rinnai water heaters should be installed in an
upright position. Do not install upside down or on its
side.
Attachment of the Water Heater
wall installation
brackets
to Combustibles
to Non-
Combustibles
RL75i
RL94i
R98LSi
RL75i
RL94i
R98LSi
Top of
Heater
6 inches **
(152 mm)
12 inches
(305 mm)
2 inches **
(51 mm)
2 inches
(51 mm)
Back of
Heater
0 (zero) 0 (zero) 0 (zero) 0 (zero)
Front of
Heater
6 inches
(152 mm)
6 inches
(152 mm)
6 inches
(152 mm)
6 inches
(152 mm)
Sides of
Heater
2 inches
(51 mm)
2 inches
(51 mm)
1/2 inch
(13 mm)
1/2 inch
(13 mm)
Ground/
Bottom
12 inches
(305 mm)
12 inches
(305 mm)
12 inches
(305 mm)
2 inches
(51 mm)
Vent
0 (zero) 4 inches * 0 (zero) 0 (zero)
* 4 inches (102 mm) for enclosed area; 1 inch (26 mm) for unenclosed area.
The clearance for servicing is 24 inches in front of the water heater.
For closet installation: clearance is 6 inches (152 mm) from the front.
** 0 inches from vent components and condensate drain line.
to side
to front
to top
to ground/bottom