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Installing Your Stove
Venting Your Stove
The maximum horizontal venting allowed with no vertical
venting attached is 48 inches including one 90° elbow
or two 45° elbows. Addition of any horizontal venting
beyond 48 inches requires a minimum 60 inches of
additional vertical vent. Horizontal sections of vent pipe
should have a 1/4 inch rise per foot. We recommend
using the shortest venting and fewest elbows possible
when venting horizontal.
We recommend the use of 4 inch vent with any
installation requiring more than two 90° elbows, or more
than 15 feet of venting.
•
45° elbow is equivalent to 1 foot of straight pipe
•
90° elbow is equivalent to 3 feet of straight pipe
One 90° Elbow
Total
Horizontal
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
ELBOW
Minimum Vertical Vent for One Elbow
Minimum Vertical Vent for One Elbow
mum
Vent
cal
Diameter
3
20
3
3
15
3
4
10
4
0
4
5
1
4
2
4
0
3
4
4
4
0
5
5
4
Horizontal Run (FT)
6
4
7
4
8
4
9
4
Minimum Vertical Vent for Two Elbows
Minimum Vertical Vent for Two Elbows
pelprostoves.com
ELBOWS
20
mum
Vent
cal
Diameter
Minimum
Vent
Vertical
Diameter
0
3
5
3
6
3
7
3
8
4
ONE 90° ELBOW
9
4
Total
Minimum
Vent
10
4
Horizontal
Vertical
Diameter
4
0
3
11
4
5
5
3
12
4
6
6
3
7
7
3
13
4
8
8
4
14
4
9
9
4
10
10
4
15
4
11
11
4
16
4
12
12
4
13
13
4
17
4
14
14
4
18
4
15
15
4
16
16
4
19
4
17
17
4
18
18
4
19
19
4
TWO 90° ELBOWS
Total
Minimum
Vent
Horizontal
Vertical
Diameter
2
5
3
3
6
3
4
7
3
5
8
3
6
9
3
7
10
4
8
11
4
9
12
4
10
15
20
10
13
4
11
14
4
Horizontal Run, (ft)
12
15
4
13
16
4
14
17
4
15
18
4
Minimum Vertical Vent for Three Elbows
PelPro Pellet Stove • 7104-171A • 4/20/18
THREE 90° ELBOWS
Total
Minimum
Vent
Horizontal
Vertical
Diameter
ONE 90° ELBOW
Total
Minimum
Horizontal
Vertical
4
0
5
5
6
6
7
7
Two 90° Elbows
8
8
9
9
10
10
Total
Minimum
Vent
11
11
12
12
Horizontal
Vertical
Diameter
13
13
14
14
2
5
3
15
15
16
16
3
6
3
17
17
4
7
3
18
18
Minimum Vertical Vent for One Elbow
19
19
5
8
3
Minimum Vertical Vent for One Elbow
6
9
3
TWO 90° ELBOWS
20
7
10
4
Total
Minimum
Horizontal
Vertical
8
11
4
15
2
5
9
12
4
3
6
10
4
7
10
13
4
5
8
5
11
14
4
6
9
7
10
12
15
4
0
8
11
13
16
4
9
12
0
5
10
15
10
13
14
17
4
Horizontal Run, (ft)
Horizontal Run (FT)
11
14
15
18
4
12
15
13
16
14
17
Minimum Vertical Vent for Two Elbows
Minimum Vertical Vent for Two Elbows
15
18
THREE 90° ELBOWS
20
Total
Minimum
Horizontal
Vertical
15
2
11
3
12
10
4
13
5
14
5
6
15
7
16
0
8
17
9
18
0
5
10
10
19
Length of Horizontal Sections (FT)
Length of Horizontal Sections, (ft)
11
20
83 of 112
Minimum Vertical Vent for Three Elbows
25
20
WARNING!
Fire Risk.
• Only LISTED venting
components may be
used
• NO OTHER vent components may be used.
Substitute or damaged vent components
may impair safe operation.
Notice:
These are guidelines for successful venting
of your pellet Stove. The more vertical rise
you can obtain in your system, the better it will
perform. Horizontal vent runs can accumulate
ash and will need to be cleaned more often.
Try to keep them as short as possible.
Minimum Vertical Vent for One Elbow
Minimum Vertical Vent for One Elbow
Vent
Diameter
3
20
3
3
15
3
4
10
4
4
5
4
4
0
4
Three 90° Elbows
4
0
5
4
Horizontal Run (FT)
Horizontal Run, (ft)
4
Total
Minimum
4
4
Horizontal
Vertical
4
Minimum Vertical Vent for Two Elbows
Minimum Vertical Vent for Two Elbows
2
11
3
12
20
Vent
Diameter
4
13
3
15
5
14
3
3
6
15
10
3
7
16
3
5
4
8
17
4
0
9
18
4
20
4
0
5
10
19
4
Length of Horizontal Sections (FT)
Length of Horizontal Sections, (ft)
11
20
4
4
4
4
Minimum Vertical Vent for Three Elbows
Minimum Vertical Vent for Three Elbows
25
Vent
Diameter
20
4
15
4
4
10
4
4
5
4
0
4
4
15
0
2
4
4
Length of Horizontal Sections (FT)
Length of Horizontal Sections (ft)
4
10
15
20
Vent
Diameter
4
4
4
4
4
4
4
4
10
15
4
4
6
8
10
12
11
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