58TN0B/58TN1B: Installation, Start–Up, Operating and Service and Maintenance Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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Caution!! For the following furnace and vent orientations, use the minimum vertical heights as specified in Table 12.
For all other orientations, follow exclusively the National Fuel Gas Code.
NOTE: All vent configurations must also meet National Fuel Gas Code venting requirements NFPA 54/ANSI Z223.
A03208
Fig. 32 – Upflow Application - Vent Elbow Up
A03210
Fig. 33 – Downflow Application - Vent Elbow Up then Left
A03209
Fig. 34 – Upflow Application - Vent Elbow Right
A03211
Fig. 35 – Downflow Application - Vent Elbow Up
Table 12 – Recommended Minimum Vent Height Per Furnace and Vent Orientation
FURNACE
ORIENTATION
VENT ORIENTATION
FURNACE INPUT
(BTUH/HR)
MIN. VENT
DIAMETER
IN. (mm)
*
*. 4-in. (102 mm) inside casing or vent guard
MIN. VERTICAL VENT
HEIGHT
FT. (M)
†
†. Including 4 in. (102 mm) vent section(s)
Downflow Vent elbow left, then up Fig. 37 132,000 & 110,000 5 (127) 12 (3.6)
Horizontal Left Vent elbow right, then up Fig. 40 132,000 5 (127) 7 (2.1)
Horizontal Left Vent Elbow up Fig. 41 132,000 5 (127) 7 (2.1)
Downflow Vent elbow up then left Fig. 33 110,000 5 (127) 10 (3.0)
Downflow Vent elbow up, then right Fig. 38 110,000 5 (127) 10 (3.0)
SEE NOTES: 1,2,4,7,8,9
on the page following
these figures
SEE NOTES:1,2,3,4,5,7,8,9
on the page following
these figures
SEE NOTES: 1,2,3,4,7,8,9
on the pages following
these figures
SEE NOTES: 1,2,4,5,7,8,9
on the page following
these figures
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