Superior DRT2000 - Page 32

Installation
900004-00, 01/2015
Innovative Hearth Products
Superior™ DRT2000 and DRC2000 Direct-Vent Gas Fireplaces
32
Table 24: Top Vent—One 90° Elbow, Elbow Connection NOT at Fireplace
H Maximum V Minimum
When using Secure Flex
®
, use
ceiling firestop/spacer SF4.5VF.
When using Secure Flex, use
wall firestop/spacer SF4.5HF.
*
**
Wall firestop/
spacer SV4.5HF **
Ceiling
firestop/
spacer
SV4.5VF *
H
V
feet meters feet meters
5 1.524 1 0.305
10 3.048 2 0.610
15 4.572 3 0.914
25 7.62 5 1.524
Install the U-shaped vent restrictor in any vent run with more than 4 ft of vertical rise. See
Page 20 for more information.
Compact termination (SV4.5HTKCT) shown.
See Table 21 as an aid in venting component selection for a particular range of exterior wall thicknesses.
If 25 ft of (H) horizontal vent run is needed, then 5 ft minimum of (V) vertical vent will be required.
This table shows a 1 (V) to 5 (H) ratio. For every 1 ft of (V) vertical, you are allowed 5 ft of (H)
horizontal run, up to a maximum horizontal run of 25 ft (7.62 m).
Table 25: Rear Vent—Two 90° Elbows
H + H
1
Maximum H Maximum V Minimum
When using Secure Flex
®
, use
ceiling firestop/spacer SF4.5VF.
When using Secure Flex, use
wall firestop/spacer SF4.5HF.
*
**
Wall firestop/
spacer
SV4.5HF **
Ceiling
firestop/
spacer
SV4.5VF *
H
V
H1
feet meters feet meters feet meters
5 1.524 2 0.610 1 0.305
10 3.048 4 1.219 2 0.610
15 4.572 6 1.829 3 0.914
25 7.62 10 3.048 5 1.524
V + H + H
1
= 60 ft (18.288 m) maximum
H = 8 ft (2.438 m) maximum
H + H
1
= 25 ft (7.62 m) maximum
Install the U-shaped vent restrictor in any vent run with more than 4 ft of vertical rise. See
Page 20 for more information.
Compact termination (SV4.5HTKCT) shown.
See Table 21 as an aid in venting component selection for a particular range of exterior wall thicknesses.
If 25 ft of (H) horizontal vent run is needed, then 5 ft minimum of (V) vertical vent will be required.
This table shows a 1 (V) to 5 (H) ratio. For every 1 ft of (V) vertical, you are allowed 5 ft of (H)
horizontal run, up to a maximum horizontal run of 25 ft (7.62 m).
Table 26: Top Vent—Two 90° Elbows
H + H
1
Maximum V Minimum
When using Secure Flex
®
, use
ceiling firestop/spacer SF4.5VF.
When using Secure Flex, use
wall firestop/spacer SF4.5HF.
*
**
Wall firestop/
spacer
SV4.5HF **
Ceiling
firestop/spacer
SV4.5VF *
H
V
H1
Wall firestop/spacer
SV4.5HF **
feet meters feet meters
3 0.91 Elbow only
5 1.524 1 0.305
10 3.048 2 0.610
15 4.572 3 0.914
25 7.62 5 1.524
V + H + H
1
= 60 ft (18.288 m) maximum
H + H
1
= 25 ft (7.62 m) maximum
Install the U-shaped vent restrictor in any vent run with more than 4 ft of vertical rise.
See Page 20 for more information.
Compact termination (SV4.5HTKCT) shown.
See Table 21 as an aid in venting component selection for a particular range of exterior wall
thicknesses.
If 25 ft of (H) horizontal vent run is needed, then 5 ft minimum of (V) vertical vent will
be required.
This table shows a 1 (V) to 5 (H) ratio. For every 1 ft of (V) vertical, you are allowed 5 ft of (H)
horizontal run, up to a maximum horizontal run of 25 ft (7.62 m).