Installation Guide
14 Rinnai Tankless Water Heater Installaon and Operaon Manual
CLEARANCES
INTERNAL (INDOOR)
MODELS
EXTERNAL (OUTDOOR)
MODELS
Top
Boom
Side
Front
Top
Boom
Front
Top
2 in. (51 mm)
0 in from vent components
Boom/Ground 12 in. (305 mm)
Front 0 in.
Clearance for servicing is
24 in. (610 mm) in front of
water heater
Back 0 in.
Sides (Le and Right)
2 in. (51 mm)
Add 0.25 in. (6.35 mm) for
recess box
Vent
(Internal/Indoor Models)
0 in.
Front Exhaust
(External/Outdoor Models)
24 in. (610 mm)
Side
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The water heater is not exposed to corrosive compounds in the air.
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The water heater locaon complies with the required clearances.
□
The planned combuson air and exhaust terminaon locaons meet the required clearances.
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The water supply does not contain chemicals or exceed total hardness that will damage the heat exchanger.
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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.
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The installaon must conform with local codes or, in the absence of local codes, with the Naonal Fuel Gas Code,
ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installaon Code, CSA B149.1.
Use this checklist to ensure you have selected the correct locaon for the water heater.
INSTALLATION LOCATION CHECKLIST