Superior Fireplaces DRL4543TEN Installation And Operation Instruction Manual page 21

NOTE: SV4.5VF firestop/spacer must be used anytime vent pipe pass-
es through a combustible floor or ceiling. SV4.5HF firestop/spacer
must be used anytime vent pipe passes through a combustible wall.
Horizontal overhang
2 ft minimum
Vent
termination
H*
Storm collar
Flashing
Concentric
*H = minimum height from roof to
vent pipe
Roof Pitch
Flat to 6/12
6/12 to 7/12
7/12 to 8/12
8/12 to 9/12
9/12 to 10/12
10/12 to 11/12
11/12 to 12/12
12/12 to 14/12
14/12 to 16/12
16/12 to 18/12
18/12 to 20/12
20/12 to 21/12
Figure 22 - Termination Heights for Vents above Flat or Sloped
Roofs (NFPA 54 / ANSI Z223.1)—Gas Vent Rule
Vertical termination Configurations
Figure 23, 24 and 24a show the configurations for vertical
termination.
Ceiling
firestop/spacer
SV4.5VF
Figure 23 - Top Vent—Straight
126718-01J
VENTING INSTALLATION Continued
2 ft Vertical
minimum
wall
Lowest
discharge
opening
X
12
Roof pitch is X/12
1" (26 mm) minimum
clearance to combustibles
lowest discharge opening of vent
Termination Height *
1.0 ft (0.3 m)
1.25 ft (0.38 m)
1.5 ft (0.46 m)
2.0 ft (0.61 m)
2.5 ft (0.76 m
3.25 ft (0.99 m)
4.0 ft (1.22 m)
5.0 ft (1.52 m)
6.0 ft (1.83 m)
7.0 ft (2.13 m)
7.5 ft (2.29 m)
8.0 ft (2.44 m)
40 ft.
(12.192 m)
maximum
Superiorfireplaces.us.com
Venting with Two 90° Elbows
Vertical (V ) Horizontal (H)
1
feet (meters) feet (meters)
5' Min. (1.524) 10' Max
6' Min. (1.829) 14' Max
7' Min. (2.134) 20' Max
20'Min. (6.096) 20' Max
NOTE:
Vertical (V ) + Vertical (V ) = 20' (6.096 m) Max.
1 2
V + H = 40' (12.192 m) Max.
H=20' (6.096 m) Max.
Figure 24 - Vertical Venting Configuration Using Two 90° Elbows
V1
H1
* When using Secure Flex
ceiling firestop/spacer SF4.5VF.
** When using Secure Flex
®
firestop/spacer SF4.5VF
Venting with Three 90° Elbows
Vertical (V) Horizontal (H + H
feet (meters)
4' Min. (1.219) 20' Max
Figure 24a - Vertical Venting Configuration Using Three 90° Elbows
(3.048)
(4.267)
(6.096)
(6.096)
90°
Elbow
Ceiling
firestop/
Wall
spacer
firestop/
SV4.5VF*
spacer
SV4.5HF**
H
, use
®
, use wall
)
1
feet (meters)
(6.096)
V
21