ENERGY KINETICS EK1C, Installation & Service Manual

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Accel CS Boiler - Gas Heat - Eighth Edition – January, 2015 14
VENT OUTLET LOCATION
The hood or exhaust pipe should be located so that proper clearances are maintained, according to local code. Per the
National Fuel Gas Code NFPA 54 ANSI Z223.1, the flue gas outlet termination of a direct vent application with an input
over 50,000 Btu/hr shall be located at least 1 ft from any door, window, or air inlet to the structure.
Note that the Accel CS boiler meets the definition of a direct vent appliance as used in NFPA 31 & NFPA 54.
Regardless of input, the flue gas outlet terminal and air intake shall be located at least 1 ft. above grade or at least 1 ft.
above expected snow level, whichever is higher. Although not required, Energy Kinetics recommends at least 2 ft.
above grade whenever possible. Both the vent hood and air intake must be at least 5 ft. from any supply tank vents.
The vent terminal shall not be installed closer than 3 ft. from an inside corner of an L-shaped structure and must
be at least 1 ft. from the soffit of the roof of the structure.
Vent must be at least 1 ft.
from any doors or
windows. (Energy Kinetics
recommends 4 ft minimum
whenever possible)
Vent must be at least 3 ft.
from inside corners.
Recommend 10 ft.
Air in-let must be at least 1 ft. above anticipated snow
level. (Energy Kinetics recommends 2ft minimum
whenever possible).
Vent must be at least 4 ft.
below windows (though not
recommended)
Vent must be at least 7 ft. above
public walkways
SIDEWALL VENT/INLET TERMINATION
LOCATION REQUIREMENTS
Vent termination must be at least 3ft above any
forced air intakes within 10 feet.
Vent must be at
least 1 ft. below
the soffit of roof of
the structure.
Multiple boiler Vent/Inlet
terminations must have
1ft min clearance
between edge of inlet
opening and adjacent
termination
12"-15"
Above Air Inlet
Vent Must Be PPS
Air Inlet May Be Piped
with PPS or PVC
4" Min Horizontal Separation