Venting Requirements - Rinnai CHS199100 Installation And Operation Manual

Combustion Air Requirements
Vent termination per ANSI Z223.1/NFPA 54.
For clearances not specified in ANSI Z223.1/
NFPA 54, clearances are in accordance with
local installation codes and the require-
ments of the gas supplier.
8
Exhaust
Checklist for Combustion Air and

Venting Requirements

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Verify proper clearances around the vents .
□
Ensure that the Combustion Air Requirements are
followed that will provide sufficient combustion
air for the appliance.
□
Ensure approved venting components have been
used.
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All horizontal vent runs must be sloped up away
Exhaust
from the water heater a minimum of 1/4 " (6 mm)
per foot.
□
Verify that there is adequate combustion air.
□
Ensure if installed in common vent application
utilizing room air that exhaust is terminating
vertically only. (Reference Common Vent manual
for further details.)
□
Installation complies with National Fuel Gas
Code, ANSI Z223.1/NFPA 54 as well as local and
state regulations therein.
□
The water heater is not subjected to corrosive
compounds in the air.
Commercial Hybrid System