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Innovative Hearth Products
Superior
DRT35 See Through and Peninsula Direct Vent Gas Fireplace
TM
VERTICAL VENT FIGURES / TABLES (CONTINUED)
Table C
H
Maximum
H Maximum
+H
1
feet
(meter)
feet
(meter)
5
(1.524)
2
(0.610)
10
(3.048)
4
(1.219)
15
(4.572)
6
(1.829)
20
(6.096)
8
(2.438)
V + V 1 + H + H 1 = 40 feet (12.2 m) Max
H = 8 feet (2.438 meters) Max.
H + H 1 = 20 feet (6.096 meters) Max.
u
When using Secure Flex, use Firestop / Spacer SF4.5VF
v
When using Secure Flex, use Firestop / Spacer SF4.5HF
Example: If 20 feet total (H+H
then 4 feet minimum of (V) vertical vent will be required.
This table shows a 1(V) to 5(H) ratio. For every 1 foot of (V)
vertical, you are allowed 5 feet of (H+H
maximum total horizontal run of 20 feet.
Figure 32 - Side Vent - THREE ELBOWS
Table D
H +
Maximum
H
1
feet
(meter)
5
(1.524)
5
(1.524)
10
(3.048)
15
(4.572)
20
(6.096)
H + H
= 20 feet (6.096 m) Max.
1
V + V
+ H + H
= 40 ft. (12.192 m) Max.
1
1
u
When using Secure Flex, use Firestop / Spacer SF4.5VF
v
When using Secure Flex, use Firestop / Spacer SF4.5HF
Example: If 20 feet total (H+H
) horizontal vent run is needed, then 4 feet minimum
1
of (V) vertical vent will be required.
This table shows a 1(V) to 5(H) ratio. For every 1 foot of (V) vertical, you are allowed
5 feet of (H+H
) horizontal run up to a maximum total horizontal run of 20 feet.
1
An elbow is acceptable as 1 foot of vertical rise except where an elbow is the only
vertical component in the system. See Figure 38.
Figure 33- Top Vent - THREE ELBOWS
V Minimum
feet
(meter)
1
(0.305)
2
(0.610)
3
(0.914)
4
(1.219)
) horizontal vent run is needed,
1
) horizontal run up to a
1
V Minimum
feet
(meter)
Elbow Only
1
(0.305)
2
(0.610)
3
(0.914)
4
(1.219)
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
H1
u
Ceiling Firestop /
Spacer (SV4.5VF)
v
Wall Firestop/
Spacer (SV4.5HF)
V1
V
u
Ceiling
Firestop / Spacer
V 1
(SV4.5VF)
H 1
Installation and Operation Instructions
u
Ceiling Firestop /
Spacer (SV4.5VF)
H
v
Wall Firestop/
Spacer (SV4.5HF)
H
900300-00, 02/2015
V
21
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