Superior DRT2000 Series Installation And Operation Instructions For page 13

Innovative Hearth Products
DRT2000 and DRC2000 Direct-Vent Fireplaces
Table 7 - Horizontal vent termination clearances for buildings with combustible and noncumbustible exteriors
D
E
V
B
L
C
Fixed
Closed
Openable
F V
B
TERMINATION CAP
V
A Clearance above grade, veranda, porch, desk, or balcony
B Clearance to window or door that may be opened
C Clearance to permanently closed window
D Vertical clearance to ventilated soffi t located above the
termination within a horizontal distance of 18" (458 mm)
E Clearance to unventilated soffi t
F Clearance to outside corner
G Clearance to inside corner
H Clearance to each inside of center line extended above
meter / regulator assembly
I Clearance to service regulator vent outlet
J Clearance to nonmechanical air supply inlet to building or
the combustion air inlet to any other fi replace
K Clearance to a mechanical air supply inlet
L Clearance above paved sidewalk or paved driveway located
on public property
M Clearance under veranda, porch, deck or balcony
N Depth of alcove (maximum)
O Clearance to termination (alcove)
P Width of alcove (minimum)
Q Clearance to combustible above (alcove)
* In accordance with the current CAN/CGA-B149.1 National Gas And Propane Installation Code
** In accordance with the current ANSI Z223.1/NFPA 54 National Fuel Gas Codes
‡ 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 two sides beneath the fl oor
See Table 6
H
B
V
V
Openable Fixed
Closed
B
V J G
X
B
A
AIR SUPPLY INLET G GAS METER
X
U.S. Installation **
12" (300 mm) **
6" (150 mm)
for fi replaces < 10,000 Btu/h (3 kW),
9" (230 mm)
for fi replaces > 10,000 Btu/h (3 kW), and < 50,000 Btu/h (15
kW),
12" (300 mm)
for fi replaces > 50,000 Btu/h (15 kW) **
9" (229 mm)
recommended to prevent window condensation
18" (458 mm)
12" (305 mm)
5" (127 mm)
minimum
6" (152 mm) minimum
36" (910 mm)
within a height of 15 ft above the meter / regulator assembly **
36" (910 mm)**
6" (150 mm)
for fi replaces < 10,000 Btu/h (3 kW),
9" (230 mm)
for fi replaces > 10,000 Btu/h (3 kW) and < 50,000 Btu/h (15 kW),
12" (300 mm)
for fi replaces > 50,000 Btu/h (15 kW)**
36" (910 mm) above if within 10 ft (3 m) horizontally **
84" (2130 mm) ‡
12" (300 mm) *‡
72" (1830 mm) **
6" (15.2 mm) **
36" (910 mm) **
18" (457 mm) **
Inside Corner
G
V
I
Balcony with No Side Wall
G
V
M
G
M
V
V X
K
A
RESTRICTED AREA
(TERMINATION PROHIBITED)
Outside Corner Recessed Location
V
F
Balcony with Perpendicular Side Wall
M
V
V
Canadian Installation *
12" (300 mm) *
6" (150 mm)
for fi replaces < 10,000 Btu/h (3 kW),
12" (300 mm)
for fi replaces > 10,000 Btu/h (3 kW)
12" (305 mm)
recommended to prevent window
condensation
18" (458 mm)
12" (305 mm)
5" (127 mm)
minimum
6" (152 mm) minimum
36" (910 mm)
within a height of 15 ft above the meter /
regulator assembly *
36" (910 mm)*
6" (150 mm)
for fi replaces < 10,000 Btu/h (3 kW),
12" (300 mm)
for fi replaces > 10,000 Btu/h (3 kW)
72" (1830 mm) *
84" (2130 mm) ‡
12" (300 mm) *‡
72" (1830 mm) *
6" (15.2 mm)*
36" (910 mm) *
18" (457 mm) *
General Information
900004-00, 03/2017
P
N
Q
O
V
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