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Venting Notes
for Figures
34-46
1. For common
vent, vent
connector
sizing
and vent
material: United States--use
the NFGC Canada--use
the
CAN/CSA-B149.1-05
2. Immediately increase to 5-inch (127 mm) or 6-inch (152
mm) vent connector outside furnace casing when 5-inch
(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 KGAVG0101DFG,
Downflow Vent
Guard Kit, is used in the downflow position.
4. Type-B vent where required, refer to Note 1 above.
5. Four-inch
single-wall
(26 ga. min.) vent must be used
inside furnace casing and when the KGAVG0101DFG
Downflow Vent Guard Kit is used external to the furnace.
6. Accessory Downflow Vent Guard Kit, KGAVG0101DFG
required
in downflow
installations
with
lower
vent
configuration.
7. Chimney
Adapter
Kit may be required
for exterior
masonry chimney applications. Refer to Chimney Adapter
Kit, KGACA02014FC
or KGACA02015FC,
for sizing
and complete application details.
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 connectors per vent connector
manufacturer's recommendations.
Fig. 47 - Using Tin Snips
to Cut Tie Points
A04127
34
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