7
6.
Installation Clearances
Before installing, check for the following:
Install in accordance with relevant building and mechanical codes, as well as any local, state or
national regulations, or in the absence of local and state codes, to the National Fuel Gas Code
ANSI Z223.1/NFPA 54 – latest edition. In Canada, see the Natural Gas and Propane Installation
Code CSA B149.1 - latest edition for detailed requirements.
WARNING
Item
Distance from combustibles
• Maintain the following clearances
from both combustible and
non-combustible materials.
Check
Illustration
In order to facilitate inspection and repair it
is recommended to leave:
• 8" (200mm) or more on either side of the
unit.
• 24" (600mm) or more in front of the unit.
• 3" (75mm) or more above and below the
vent pipe.
Securing of space for
repair/inspection
24" (600mm)
or more
8" (200mm)
or more
Distance from
the side
12" (300mm)
or more
2" (50mm)
or more
3" (75mm) or more
3" (75mm) or more
4" (100mm)
or more
8" (200mm)
or more
