39
Restrictors and Vent Configuration
The information in this section will help you calculate the correct restrictor selection for your vent configuration. The table below show
the restrictor required for a specific rise to run vent configuration. Any venting pathway that does not appear in the tables requires
approval from the manufacturer.
The table below applies to both Natural Gas and Propane. This table represents manufacturer’s guidelines. Environment, gas type
and other factors may affect the best restrictor choice.
NOTE: Space Creator models require special model-specific restrictor. Traditional models do not require restrictors.
How to use the “Recommended Restrictor” table:
1. Find the total vertical rise in your vent configuration along the y-axis.
2. Find the horizontal run in your vent configuration along the x-axis.
3. Follow the rise and run values on the chart until they meet. This is the recommended size restrictor for your vent
configuration.
Legend:
x
: Vent configuration is not allowed.
0
: No restrictor required.
Numbers other than 0
: Represents the recommended restrictor (by width).
Restrictor Sizes:
20mm (0.79”)
30mm (1.18”)
40mm (1.57”)
50mm (1.97”)
60mm (2.36”)
80mm (3.15”)
Recommended Restrictor: Series 40
To
ta
l Ve
rti
ca
l Ve
nt R
is
e
27’
1.97”
1.57”
1.57”
1.18”
1.18”
0
0
0
0
x
x
x
24’
1.97”
1.57”
1.57”
1.18”
1.18”
1.18”
0
0
0
0
x
x
21’
1.97”
1.97”
1.57”
1.57”
1.18”
1.18”
1.18”
0
0
0
0
x
18’
1.97”
1.97”
1.57”
1.57”
1.18”
1.18”
1.18”
1.18
”
0
0
0
0
15’
1.97”
1.97”
1.57”
1.57”
1.18”
1.18”
1.18”
1.18
”
1.18
”
0
0
0
12’
1.97”
1.97”
1.57”
1.57”
1.57”
1.18”
1.18”
1.18
”
1.18
”
0
0
0
9
1.97”
1.97”
1.97”
1.57”
1.57”
1.18”
1.18”
1.18
”
1.18
”
0
0
0
6’
1.97”
1.97”
1.97”
1.57”
1.57”
1.18”
1.18”
1.18
”
1.18
”
0
0
0
3’
1.97”
1.97”
1.97”
1.57”
1.57”
1.18”
1.18”
1.18
”
0
0
x
x
0’
3’
6’
9’
12’
15’
18’
21’
24’
27’
30’
33’
Horizontal Vent Run
Recommended Restrictor: Series 75
To
ta
l Ve
rti
ca
l Ve
nt R
is
e
27’
1.97”
1.57”
1.57”
1.18”
1.18”
0
0
0
0
x
x
x
24’
1.97”
1.57”
1.57”
1.18”
1.18”
1.18”
0
0
0
0
x
x
21’
1.97”
1.97”
1.57”
1.57”
1.18”
1.18”
1.18”
0
0
0
0
x
18’
1.97”
1.97”
1.57”
1.57”
1.18”
1.18”
1.18”
1.18”
0
0
0
0
15’
1.97”
1.97”
1.57”
1.57”
1.18”
1.18”
1.18”
1.18”
1.18”
0
0
0
12’
1.97”
1.97”
1.57”
1.57”
1.57”
1.18”
1.18”
1.18”
1.18”
0
0
0
9
1.97”
1.97”
1.97”
1.57”
1.57”
1.18”
1.18”
1.18”
1.18”
0
0
0
6’
1.97”
1.97”
1.97”
1.57”
1.57”
1.18”
1.18”
1.18”
1.18”
0
0
0
3’
1.97”
1.97”
1.97”
1.57”
1.57”
1.18”
1.18”
1.18”
0
0
x
x
0’
3’
6’
9’
12’
15’
18’
21’
24’
27’
30’
33’
Horizontal Vent Run
Summary of Contents for Clear 130 LS
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Page 54: ...54 Wiring Diagram Screen Fireplace with Interior Lighting and Ortal Power Vent...
Page 55: ...55 Wiring Diagram Double Glass Fireplace...
Page 56: ...56 Wiring Diagram Double Glass Fireplace with Interior Lighting...
Page 57: ...57 Wiring Diagram Double Glass Fireplace with Interior Lighting and Ortal Power Vent...
Page 58: ...58 Carbon Monoxide Detector Wiring Diagrams CO Kit Wiring Diagram Screen Fireplace...
Page 59: ...59 CO Kit Wiring Diagram Double Glass Fireplace...