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7. When the vent pipe passes through areas where
the ambient temperature is likely to induce
condensation of the flue gases, the vent pipe
should be insulated and a condensation drain
should be provided.
8. Minimum clearance for single-wall flue pipe to
combustible material shall be 6 inches. This may
be reduced when the combustible material is
protected as specified in the National Fuel Gas
Code or the authority having jurisdiction.
9. Single-wall metal pipe shall not originate in any
unoccupied attic or concealed space and shall not
pass through any attic, inside wall or concealed
space, or through any floor. For the installation
of a single-wall metal pipe through an exterior
combustible wall, refer to latest edition of the
National Fuel Gas Code or the authority having
jurisdiction.
10. A venting system shall terminate at least 3 ft.
above any forced air inlet located within 10 ft.
STERLING “RSG” SERIES
INFRARED RADIANT TUBE HEATER
