Superior DRT2000 Series Installation And Operation Instructions For page 34

Innovative Hearth Products
DRT2000 and DRC2000 Direct-Vent Fireplaces
Table 27 - Rear Vent—Three 90° Elbows
H + H + H Maximum
1 2
feet meters
5 1.524
10 3.048
15 4.572
20 6.096
V + H + H + H = 60 ft (18.288 m) maximum
1 2
H = 8 ft (2.438 m) maximum
H + H + H = 25 ft (7.62 m) maximum
1 2
Install the U-shaped vent restrictor in any vent run with more than 4
ft of vertical rise. See Page 21 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 20 ft of (H) horizontal vent run is needed, then 4 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 20 ft
(6.096 m).
Table 28 - Top Vent—Three 90° Elbows
H Maximum
feet meters
5 1.524
5 1.524
10 3.048
15 4.572
20 6.096
H + H = 25 ft (7.62 m) maximum
1
V + V + H + H = 60 ft (18.288 m) maximum
1 1
Install the U-shaped vent restrictor in any vent run with more than
4 ft of vertical rise. See Page 21 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 20 ft of (H) horizontal vent run is needed, then 4 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
20 ft (6.096 m).
34
H Maximum V Minimum
feet meters feet meters
2 0.610 1 0.305
4 1.219 2 0.610
6 1.829 3 0.914
8 2.438 4 1.219
V Minimum
feet meters
Elbow only
1 0.305
2 0.610
3 0.914
4 1.219
Wall fi restop/spacer
SV4.5HF **
H2
fi restop/spacer
V
V
* When using Secure
Flex ® , use ceiling
fi restop/spacer
SF4.5VF.
**
When using Secure
Flex, use wall fi restop/
spacer SF4.5HF.
H1
Wall fi restop/
spacer
V1
SV4.5HF **
900004-00, 03/2017
H1
Ceiling
SV4.5VF *
H
* When using Secure Flex
ceiling fi restop/spacer SF4.5VF.
** When using Secure Flex, use wall
fi restop/spacer SF4.5HF.
Ceiling
fi restop/spacer
SV4.5VF *
H
Wall fi restop/spacer
SV4.5HF **
Installation
® , use
V