33
SEE NOTES: 1,2,4,5,7,8,9 on the page
following these figures
A03215
Fig. 46 -- Horizontal Left Application -- Vent Elbow Up
SEE NOTES: 1,2,4,5,7,8,9 on the page
following these figures
A03216
Fig. 47 -- Horizontal Left Application -- Vent Elbow Right
SEE NOTES: 1,2,4,5,7,8,9 on the page
following these figures
A03219
Fig. 48 -- Horizontal Right Application -- Vent Elbow Left
then Up
SEE NOTES: 1,2,4,5,7,8,9
A02068
Fig. 49 -- Horizontal Right Application --Vent Elbow Left
Caution!! For the following applications, use the minimum vertical heights as specified below .
For all other applications, follow exclusively the National Fuel Gas Code.
FURNACE
ORIENTATION
VENT ORIENTATION FURNACE INPUT
(BTUH/HR)
MIN. VENT
DIAMETER
IN. (mm)*
MIN. VERTICAL VENT
HEIGHT
FT. (M)**
Downflow
Vent elbow left, then up
Fig. 37
154,000 132,000
110,000(036/--- 12 only)
5 (127) 12 (3.6)
Horizontal Left
Vent elbow right, then up
Fig. 40
154,000 132,000 5 (127) 7 (2.1)
Horizontal Left
Vent Elbow up
Fig. 41
154,000 132,000 5 (127) 7 (2.1)
Horizontal Left
Vent elbow right
Fig. 42
154,000 5 (127) 7 (2.1)
Downflow
Vent elbow up then left
Fig. 35
110,000 (036/---12 only) 5 (127) 10 (3.0)
Downflow
Vent elbow up, then right
Fig. 38
110,000 (036/---12 only) 5 (127) 10 (3.0)
NOTE: All vent configurations must also meet National Fuel Gas Code venting requirements NFGC.
*4 ---in. (102 mm) inside casing or vent guard
**Including 4 in. (102 mm) vent section(s)
58CV