CLEARANCES
CLEARANCES TO COMBUSTIBLES
COMBUSTIBLE | CLEARANCE |
Floor | 0 Inches (0 cm) |
Right Side | 0 Inches (0 cm) |
Left Side | 0 Inches (0 cm) |
Back | 0 Inches (0 cm) |
Front | 16 Inches (41 cm) |
Ceiling | 36 Inches (91 cm) |
Draperies | 4 Inches (10 cm) |
Vent | 2.5 Inches (6.35 cm) |
If the heater is installed directly on carpeting, tile or other com- bustible material other than wood flooring, the heater shall be installed on a metal or wood panel extending the full width and depth of the heater.
VENT CAP CLEARANCES
FIG. 1
OUTSIDE LOCATION FOR VENT OUTLET TERMINAL
A = Clearance above grade, veranda, porch, deck or balcony (*12 inches [30cm] minimum)
B = Clearance to window or door that may be opened (*6 inches [15 cm] minimum)
C = Clearance to permanently closed window (minimum 12 inches [30 cm] recommended to prevent condensation on window)
D = Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 feet [60 cm] from the
E = Clearance to unventilated soffit (12 inches [30 cm] minimum)
F = Clearance to outside corner (12 inches [30 cm] minimum)
G = Clearance to inside corner (24 inches [60 cm] minimum)
H = *Not to be installed above a meter / regulator assembly within 3 feet [90 cm] horizontally from the
I = Clearance to service regulator vent outlet (*6 feet [1.8 m] minimum)
J = Clearance to
K = Clearance to a mechanical air supply inlet (*6 feet [1.8 m] minimum)
L = † Clearance above paved
M = Clearance under a veranda, porch, deck or balcony (*12 inches [30 cm] minimum‡)
†A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and serves both dwellings*.
‡Only permitted if veranda, porch, deck or balcony is fully open on a minimum of 2 sides beneath the floor.
*As specified in CGA B149 installation codes, NOTE: local codes or regulations may require different clearances.
Page 4
