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31
SEE NOTES: 1,2,4,5,7,8,9 on the page
following these figures
A03214
Fig. 35 --- Horizontal Left Application--Vent Elbow Right
then Up
SEE NOTES: 1,2,4,5,7,8,9 on the page
following these figures
A03215
Fig. 36 --- Horizontal Left Application--Vent Elbow Up
SEE NOTES: 1,2,4,5,7,8,9 on the page
following these figures
A03216
Fig. 37 --- Horizontal Left Application--Vent Elbow Right
SEE NOTES: 1,2,4,7,8,9 on the page
following these figures
A03218
Fig. 38 --- Horizontal Right Application--Vent Elbow Right
SEE NOTES: 1,2,4,5,7,8,9 on the page
following these figures
A03219
Fig. 39 --- Horizontal Right Application--Vent Elbow Left
then Up
SEE NOTES: 1,2,4,5,7,8,9
A02068
Fig. 40 --- Horizontal Right Application--Vent Elbow Left
NOTES FOR FIGS. 33 -- 45
1. For common vent, vent connector sizing and vent material, use the NFGC.
2. Immediately increase to 5--in. (127 mm) or 6--in. (152 mm) vent connector outside furnace casing when 5--in. (127 mm) vent connector is required,
refer to Note 1 above.
3. Side outlet vent for upflow and downflow installations must use Type B vent immediately after exiting the furnace, except when field--approved
Downflow Vent Guard Kit, is used in the downflow position. See Table 17 for accessory list.
4. Type--B vent where required, refer to the Note 1 above.
5. A 4--in. (102 mm) single--wall (26 ga. minimum) vent must be used inside furnace casing and when the field--approved Downflow Vent Guard Kit is
used external to the furnace.
See Table 17 for accessory list.
6.
Accessory Downflow Vent Guard Kit required in downflow installations with lower vent configuration. See Table 17 for accessory list.
7. Chimney Adapter Kit may be required for exterior masonry chimney applications. Refer to Chimney Adapter Kit for sizing and complete application
details. See Table 17 for accessory list.
8. Secure vent connector to furnace elbow with (2) corrosion--resistant sheet metal screws, spaced approximately 180° apart.
9. Secure all other single wall vent connector joints with (3) corrosion resistant screws spaced approximately 120° apart. Secure Type--B vent connect-
ors per vent connector manufacturer’s recommendations.
10. The total height of the vent and connector shall be at least seven ft. (2.1 M) for the 154,000 Btuh gas input rate model when installed in a downflow
application with furnace elbow turned to left side with the connector elbow outside furnace casing pointing upward. (See Fig.
31.)
310AAV