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RECOMMENDED HEIGHTS FOR
WOODSTOVE FLUE
Simple rules on draft. See Table 1.
1) At sea level minimum height is 12'
straight.
2) Add the following vertical height to compen-
sate for:
45 deg. elbow
= 1 ft.
90 deg. elbow
= 2 ft.
"T"
= 3 ft.
Each foot of horizontal run = 2 ft.
3) Add 4% overall for each 1000' above sea
level.
ELEVATION (FT)
ABOVE SEA LEVEL
NOTE: No more than two offsets (four elbows) allowed. Two 45
Draft is the force which moves air from the appliance up through the chimney. The amount of draft in your chimney depends on the length of the chimney,
local geography, nearby obstructions and other factors. Too much draft may cause excessive temperatures in the appliance and may cause damage. An
uncontrollable burn or excessive temperature indicates excessive draft. Inadequate draft may cause back puffing into the room and plugging of the chimney.
Inadequate draft will cause the appliance to leak smoke into the room through appliance and chimney connector joints. Ensure the heater is installed in areas
that are not too close to neighbors or in valleys that would cause unhealthy air quality or nuisance conditions.
Example: a)
1-1/2 ft. of horizontal run
one "T"
Total Addition (at sea level)
Example: b)
One 90 deg. elbow
2 ft. of horizontal run
one "T"
Total Addition (at sea level)
MINIMUM RECOMMENDED FLUE HEIGHTS IN FEET
0-1000
1000-2000
2000-3000
3000-4000
4000-5000
5000-6000
6000-7000
7000-8000
8000-9000
9000-10000
= 3 ft.
= 3 ft.
= 6 ft.
= 2 ft.
= 4 ft.
= 3 ft.
= 9 ft.
TABLE 1
(Measured from the top of the unit)
# OF ELBOWS
0
2 x 15
4 x 15
o
12.0
13.0
14.0
12.5
13.5
14.5
13.0
14.0
15.0
13.5
14.5
15.5
14.0
15.0
16.0
14.5
15.5
17.0
15.0
16.0
17.5
15.5
16.5
18.0
16.0
17.0
18.5
16.5
17.5
19.0
elbows equal one 90
o
installation
Recommended Flue Height
Elevation
Example a)
0'
1000'
2000'
5000'
8000'
2 x 30
4 x 30
2 x 45
o
o
o
15.0
18.0
16.0
15.5
19.0
16.5
16.0
19.5
17.0
17.0
20.0
18.0
17.5
21.0
18.5
18.0
21.5
19.0
18.5
22.5
20.0
19.0
23.0
20.5
20.0
24.0
21.0
20.5
24.5
22.0
elbow.
o
Hampton® H200 Cast Freestanding Woodstove
|
15
Example b)
18'
21'
18.72'
21.84'
19.44'
22.68'
21.60'
25.20'
23.76'
27.72'
4 x 45
o
o
20.0
21.0
21.5
22.5
23.0
24.0
25.0
25.5
26.5
27.0
|
15
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