Rinnai CVent
26
Water Heater Clearances
Indoor
model
RU98i,
RUC98i,
C199i
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” from vent components and condensate drain line.
The clearance for servicing is 24” in front of the water heater.
to side
to front
to top
to floor/ground
Maintenance Clearances
Back to Back Configuration
In Line Configuration
Follow the recommended minimum service clearances below for maintenance access to the header above the
water heater.
If the vent system is to be enclosed, it is suggested that the design of the enclosure shall permit inspection of the
vent system. The design of such enclosure shall be deemed acceptable by the installer or the local inspector.
Follow the minimum clearances from the water heater.
5.15”
42”
36”
30”
42”
Room Air configurations will observe
the same clearances referenced in
these images
Summary of Contents for c199i
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