Installation Sheet

7 Rinnai Rack Installation
Clearances
Install the rack system so that the clearances shown below (specified for the water heater in the RU98i and
RU98e installation manual) are followed.
to
Combustibles
inches (mm)
to Non-
Combustibles
inches (mm)
Top of Heater
6 * (152) 2 *(51)
Back of Heater
0 (zero) 0 (zero)
Front of Heater
6 (152) 6 (152)
Sides of Heater
2 (51) 1/2 (13)
Ground/Bottom
12 (305) 12 (305)
Vent
0 (zero) 0 (zero)
* 0 inches from vent components and condensate
drain line.
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.
Indoor models: RU98i
to
Combustibles
inches (mm)
to Non-
Combustibles
inches (mm)
Top of Heater
12 (305) 2 (51)
Back of Heater
0 (zero) 0 (zero)
Front (panel)
24 (610) 0 (zero)
Front (exhaust)
24 (610) 24 (610)
Sides of Heater
6 (152) 1/8 (3.2)
Ground/Bottom
12 (305) 2 (51)
Outdoor models: RU98e
The clearance for servicing is 24 inches in front of the
water heater.
to side
to front
to top
to floor/ground
to side
to front
to top
to floor/ground