installation
Vertical Venting/Restrictor Settings for NG and LP
37
35
33
31
29
27
25
23
21
19
17
15
13
11
9
7
5
3
1
0
28
| Gi33 Direct Vent Gas Insert
NG
Set 3
3.0" open
Set 2
3.5" open
Aeration 3/16"
LP
37
35
33
31
29
27
25
23
21
19
17
15
13
11
9
7
5
3
1
0
Set 4
2.5" open
Set 1
4.25" open
Aeration 5/16"