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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 NSCNGPIC for detailed requirements.
Item
• Maintain the following clearances
from both combustible and
non-combustible materials.
• If possible, leave 200mm (8") or more on
either side of the unit to facilitate inspection.
• If possible, leave 600mm (24") or more
in front of the unit to facilitate maintenance
and service if necessary.
• If possible, leave 75mm (3") or more
above and below the vent pipe to facilitate
inspection and repair if necessary.
• There must be a clearance of 600mm
(24") or more in front of the Flue terminal.
• This restriction will not be applied to an
area where an effective shield makes a
clearance of 600mm (24") or more in
front of the exhaust outlet.
WARNING
Check
Illustration
300mm (12")
or more
100mm (4")
or more
50mm (2")
or more
Distance from
the side
75mm (3") or more
200mm
75mm (3") or more
(8") or
more
200mm
(8") or
more
600mm
(24") or
more
There must be no
300mm (12")
building opening
or more
within this area.
Flue terminal
300mm (12")
or more
300mm
300mm
(12") or
(12") or
more
more
7
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