11
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V
= FIREPLACE OPENING
X
= AIR SUPPLY INLET
= AREA WHERE FIREPLACE IS NOT PERMITTED
Figure 4. Fireplace Opening Minimum Clearances
A
= 0" ............................ clearances above grade, ve ran-
da, porch, deck or balcony
B*
= 12" .......................... clearances to window or door
that may be opened, or to per-
manently closed window.
D**
= 31" .......................... vertical clearance to ventilated
soffit located above the terminal
within a horizontal distance of 2
feet (60 cm) from the center-line
of the terminal
E**
= 31" .......................... clearance to unventilated soffit
F
= 9" ........................... clearance to outside corner
G*
= 12" .......................... clearance to inside corner
H
= 3 ft. (Canada) ....... not to be installed above a gas
meter/regulator assembly within
3 feet (90cm) horizontally from the
center-line of the regulator
I
= 3 ft. (U.S.A.)
6 ft. (Canada) ....... clearance to service regulator
vent outlet and electric service
J
= 9" (U.S.A.)
12" (Canada) ......... clearance to non-mechani-
cal air supply inlet to build-
ing or the combustion air in-
let to any other appliance
K
= 3 ft. (U.S.A.)
6 ft. (Canada) .......... clearance to a mechanical
air supply inlet
L*** = 54” ............................ clearance above paved
sidewalk or a paved driveway
located on
public
property
M**** = 31" ............................ clearance under veranda,
porch, deck or balcony
N
= 12” ............................ non-vinyl siding
36” ............................ vinyl siding
O
= 31” ............................ non-vinyl soffit and overhang
60” ............................ vinyl soffit and overhang
P
= 8 ft.
CAUTION:
IF EXTERIOR WALLS ARE FINISHED WITH VINYL SIDING, IT IS NECESSARY TO INSTALL THE VINYL PROTECTOR
KIT TO THE TOP OF THE EXTERIOR FIRESTOP (FOR ALL ROUND TERMINATION CAPS). IT IS STRONGLY RECOMMENDED
WHENEVER POSSIBLE TO USE THE VINYL PROTECTOR KIT.
O
N
P
R
Q
FP
(See Note 1)
(See Note 1)
(See Note 2)
Q
MIN
R
MAX
Twilight
10 feet
2 x Q
ACTUAL
1 additional termination cap
Q + 3 feet
1 x Q
ACTUAL
2 additional termination caps
Q + 6 feet
2/3 x Q
ACTUAL
3 additional termination caps
Q + 9 feet
1/2 x Q
ACTUAL
R
MAX
= (2 / # caps plus fireplace) x Q
ACTUAL
D
E
L
FP
A
H
M
X
J or K
I
A
G
F
FP
FP
FP
FP
FP
B
B
B
**
60” minimum for vinyl clad soffits.
*** a fireplace shall not open 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, or if the screened
porch guidelines are followed.
NOTE 1:
Local codes or regulations may require different clearances.
NOTE 2:
Termination in an alcove space (spaces open only on one
side and with an overhang) are permitted with the dimensions specified
for vinyl or non-vinyl siding and soffits.
1
. There must be 3 feet minimum
between terminations or between the fireplace and termination.
2.
All
mechanical air intakes within 10 feet of a termination must be a minimum
of 3 feet below the fireplace hood.
3.
All gravity air intakes within 3
feet of the fireplace hood must be a minimum of 1 foot below the
termination.
This fireplace is approved for installation onto screened porches
with the following guidelines:
Minimum porch area: 96 square feet
Minimum ceiling height: 92 inches
Minimum of two walls must be screened
Minimum top of screen height, side walls: 6 ft. 8 in.
Minimum screen area: 64 square feet
NOTE:
There may be some odor and small amounts of soot
associated with venting the Twilight onto a screened porch.
Ensuring good cross draft ventilation and routine maintenance
of the fireplace will maximize comfort and cleanliness.
*
36” minimum for vinyl windows or vinyl siding.
