CLEARANCES
Top
Bottom/Ground
Front
Back
Sides (Left and Right)
Vent
(Internal/Indoor Models)
Front Exhaust
(External/Outdoor Models)
INSTALLATION LOCATION CHECKLIST
Use this checklist to ensure you have selected the correct location for the water heater.
□
The water heater is not exposed to corrosive compounds in the air.
□
The water heater location complies with the required clearances.
□
The planned combustion air and exhaust termination locations meet the required clearances.
□
The water supply does not contain chemicals or exceed total hardness that will damage the heat exchanger.
A standard 3 prong 120 VAC, 60 Hz properly grounded wall outlet (for internal/indoor models) or other 120 VAC,
□
60 Hz source is available.
The installation must conform with local codes or, in the absence of local codes, with the National Fuel Gas Code,
□
ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installation Code, CSA B149.1.
14
2 in. (51 mm)
0 in from vent components
12 in. (305 mm)
0 in.
Clearance for servicing is
24 in. (610 mm) in front of
water heater
0 in.
2 in. (51 mm)
Add 0.25 in. (6.35 mm) for
recess box
0 in.
24 in. (610 mm)
INTERNAL (INDOOR)
MODELS
Top
Front
Bottom
Rinnai Tankless Water Heater Installation and Operation Manual
EXTERNAL (OUTDOOR)
MODELS
Side
Front
Bottom
Top
Side