Superior DRL6542TEN Installation And Operation Instructions Manual page 28

Innovative Hearth Products
Superior DRL6000 Series Direct-Vent Gas Fireplaces
TM
Table 19: Top Vent—Two 90° Elbows
V 1
Maximum total H
feet
5
10
15
20
Total H = Max. 20 ft (6.096 m)
Total H + Total V = Max. 60 ft (18.3 m)
Install the U-shaped vent restrictor in any vent run with more than 6 ft of vertical
rise. See Page 20 for more information.
A 20-ft total Horizontal vent run requires min. 13.5 ft total
vertical venting.
Vertical firestop/spacer must be used anywhere vent pipe
u
passes through a combustible floor or ceiling. Horizontal firestop/
spacer must be used anywhere vent pipe passes through a
combustible wall.
Install the provided vent restrictor, if required.

A 90° elbow may NOT be attached directly to the appliance

collar. A minimum of 6" pipe (54" models) or 12" (42" models)
must be used between the fireplace collar and a 90° elbow.
28
H
Vertical Firestop/
u
Spacer
Horizontal
Firestop/ 
u
Spacer

Minimum total V
meters feet
1.524 3.3
3.1 6.5
4.65 10
6.096 13.5
Table 20: Top Vent—Three Elbows
V 1
H 1
V
Maximum total H
meters feet
1.006 5
1.981 10
3.048 15
4.115 20
Total H = Max. 20 ft (6.096 m)
Total H + Total V = Max. 60 ft (18.3 m)
Install the U-shaped vent restrictor in any vent run with more than 6 ft of
vertical rise. See Page 20 for more information.
A 20-ft total Horizontal vent run requires min. 13.5 ft total
vertical venting.
Vertical firestop/spacer must be used anywhere vent
u
pipe passes through a combustible floor or ceiling. Horizontal
firestop/spacer must be used anywhere vent pipe passes through
a combustible wall.
Install the provided vent restrictor, if required.

A 90° elbow may NOT be attached directly to the

appliance collar. A minimum of 6" pipe (54" models) or 12"
(42" models) must be used between the fireplace collar and a
90° elbow.
Vertical Firestop/
u
Spacer Horizontal Firestop/
Spacer
H
Minimum total V
meters feet
1.524 3.3
3.1 6.5
4.65 10
6.096 13.5
Installation
900077-00, 03/2014
u

V

meters
1.006
1.981
3.048
4.115