11
INSTALLATION INSTRUCTIONS
General
Typical Common Vent Installations
Typical Inline Common Vent Installations
Direct Vent
Power Vent (Room Air Application)
Wall
3 Degree upward
slope toward outside
To suitable drain
12” - 24” (31 cm – 61 cm)
Min 36”
(91cm)
Max 20’
(6.1m)
20.5”(52 cm)
3°
SCALE 1.000
Wall
12” - 24”
(31 cm – 61 cm)
20.5”(52 cm)
To suitable drain
3 Degree upward
slope toward outside
FOR YOUR SAFETY
DO NOT store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. To do so may result in an
explosion or fire.
This water heater can use room air for combustion and ventilation as long as the installation complies with the National Fuel Gas Code,
ANSI Z223.1/NFPA 54, and other applicable standards and local codes. Failure to comply with these standards and other instructions on
the Common Vent Installation Instructions and the Tankless Water Heater Use and Care Manual may result in death or serious injury and/or
damage to property.
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