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Caution!! For the following applications, use the minimum vertical vent heights as specified below. For all other applications,
FURNACE
ORIENTATION
Vent elbow left, then up Fig. 31
Downflow
Vent elbow right, then up Fig. 34
Horizontal Left
Vent elbow right Fig. 35
Horizontal Left
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)
SEE NOTES: 1,2,4,7,8,9
on the page following
these figures
Fig. 27 − Upflow Application−Vent Elbow Up
SEE NOTES: 1,2,3,4,7,8,9
on the pages following
these figures
Fig. 28 − Upflow Application−Vent Elbow Right
28
follow exclusively the National Fuel Gas Code.
VENT ORIENTATION
A03208
A03209
Specifications are subject to change without notice.
MIN. VENT
FURNACE INPUT
DIAMETER
(BTUH/HR)
IN (MM)*
132,000
5 (127 )
132,000
5 (127 )
132,000
5 (127 )
Fig. 29 − Downflow Application−Vent Elbow Up then Left
SEE NOTES: 1,2,4,5,7,8,9
on the page following
these figures
Fig. 30 − Downflow Application−Vent Elbow Up
MIN. VERTICAL VENT
HEIGHT
FT. (M)**
12 (4)
7 (2)
7 (2)
SEE NOTES:1,2,3,4,5,7,8,9
on the page following
these figures
441 01 1422 00
A03210
A03211
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