Instruction manual

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)
315A