Installation
900077-00, 01/2018
Innovative Hearth Products
DRL6500 Linear Direct-Vent Gas Fireplaces
24
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Table 17 - Vent Section Length
Nominal Section
Length (in.)
6
12
24
36
48
Total Qty
Nominal Section Length
(in.)
6
12
24
36
48
Total Qty
Net Section Length
(in.)
4.5
10.5
22.5
34.5
46.5
Net Section Length (in.)
4.5
10.5
22.5
34.5
46.5
Height of Vent
Number of Vent Sections
Height of Vent
Number of Vent Sections
in.
ft
in.
ft
4.5
0.375
1
0
0
0
0
1
252
21
0
1
0
7
0
8
9
0.75
2
0
0
0
0
2
276
23
0
0
0
8
0
8
10.5
0.875
0
1
0
0
0
1
279
23.25
0
0
0
0
6
6
15
1.25
1
1
0
0
0
2
280.5
23.375
1
0
0
8
0
9
22.5
1.875
0
0
1
0
0
1
289.5
24.125
0
1
0
0
6
7
31.5
2.625
0
3
0
0
0
3
301.5
25.125
0
0
1
0
6
7
34.5
2.875
0
0
0
1
0
1
310.5
25.875
0
0
0
9
0
9
37.5
3.125
1
1
1
0
0
3
325.5
27.125
0
0
0
0
7
7
43.5
3.625
0
2
1
0
0
3
330
27.5
1
0
0
0
7
8
45
3.75
0
0
2
0
0
2
345
28.75
0
0
0
10
0
10
46.5
3.875
0
0
0
0
1
1
349.5
29.125
1
0
0
10
0
11
51
4.25
1
0
0
0
1
2
372
31
0
0
0
0
8
8
55.5
4.625
0
1
2
0
0
3
379.5
31.625
0
0
0
11
0
11
57
4.75
0
0
1
1
0
2
418.5
34.875
0
0
0
0
9
9
67.5
5.625
0
0
3
0
0
3
465
38.75
0
0
0
0
10
10
69
5.75
0
0
0
2
0
2
475.5
39.625
0
1
0
0
10
11
73.5
6.125
1
0
0
2
0
3
480
40
1
1
0
0
10
12
79.5
6.625
0
1
0
2
0
3
492
41
1
0
1
0
10
12
81
6.75
0
0
0
1
1
2
499.5
41.625
0
0
0
1
10
11
91.5
7.625
0
0
2
0
1
3
504
42
1
0
0
1
10
12
93
7.75
0
0
0
0
2
2
511.5
42.625
0
0
0
0
11
11
97.5
8.125
1
0
0
0
2
3
520.5
43.375
0
2
0
1
11
14
103.5
8.625
0
0
0
3
0
3
531
44.25
0
2
2
0
11
15
108
9
1
0
0
3
0
4
538.5
44.875
1
0
0
2
11
14
117
9.75
1
0
5
0
0
6
549
45.75
1
0
2
1
11
15
118.5
9.875
1
1
0
3
0
5
558
46.5
0
0
0
0
12
12
126
10.5
0
0
1
3
0
4
562.5
46.875
1
0
0
0
12
13
130.5
10.875
1
0
1
3
0
5
568.5
47.375
0
1
0
0
12
13
135
11.25
0
0
6
0
0
6
573
47.75
1
1
0
0
12
14
139.5
11.625
0
0
0
0
3
3
580.5
48.375
0
0
1
0
12
13
142.5
11.875
1
0
0
4
0
5
589.5
49.125
0
1
2
2
10
15
144
12
1
0
0
0
3
4
595.5
49.625
1
1
1
0
12
15
154.5
12.875
1
1
0
0
3
5
604.5
50.375
0
0
0
0
13
13
160.5
13.375
0
2
0
0
3
5
615
51.25
0
1
0
0
13
14
172.5
14.375
0
0
0
5
0
5
625.5
52.125
0
2
0
0
13
15
177
14.75
1
0
0
5
0
6
631.5
52.625
1
0
1
0
13
15
186
15.5
0
0
0
0
4
4
637.5
53.125
0
1
1
0
13
15
196.5
16.375
0
1
0
0
4
5
651
54.25
0
0
0
0
14
14
207
17.25
0
0
0
6
0
6
655.5
54.625
1
0
0
0
14
15
211.5
17.625
1
0
0
6
0
7
672
56
0
2
0
0
14
16
217.5
18.125
0
1
0
6
0
7
678
56.5
1
0
1
0
14
16
229.5
19.125
0
0
1
6
0
7
688.5
57.375
1
1
1
0
14
17
232.5
19.375
0
0
0
0
5
5
697.5
58.125
0
0
0
0
15
15
241.5
20.125
0
0
0
7
0
7
702
58.5
1
0
0
0
15
16
246
20.5
1
0
0
7
0
8
712.5
59.375
1
1
0
0
15
17
720
60
0
0
1
0
15
16
