Carrier 58PAV User Manual
Page 11
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A89019
Fig. 13—Common Vent With Water Heater
(Typical Installation)
Table 13—Common Vent (With No Lateral Run)
Furnace and Water Heater (No Horizontal)
58PAV
Size
Vent
Connector
Length (Ft)
Common Vent Height (Ft)
Common
Vent
Dia
(ins.)
Minimum
Maximum*
035-ECt
or
035-GCt
5
12
30
4
6
30
5
10
12
30
4
6
24
5
15
12
26
4
6
16
5
055-ECt
or
055-GCt
5
18
30
4
8
30
5
10
20
30
4
8
30
5
15
20
30
4
8
30
5
075-GCt
or
075-JCt
5
10
30
5
5
30
6
10
10
30
5
5
30
6
15
10
30
5
5
30
6
090-GCt,
090-JCt,
or
090-LCt
5
14
30
5
6
30
6
10
14
30
5
6
30
6
15
14
30
5
6
30
6
110-JCÍ
or
110-иСф
5
10
30
6
5
30
7
10
10
30
6
5
30
7
15
10
30
6
5
30
7
125-LCt
5
8
30
6
6
30
7
6
30
8
10
8
30
6
6
30
7
■ 6
30
8
15
10
30
6
6
30
7
6
30
8
Gas Code. The 58PAV Furnace vent connector is sized
per the tables in Section B of this publication to deter
mine allowable lengths, number of elbows, and insula
tion requirements. The allowable vent connector length
for the furnace cannot exceed 15 ft for any common
vent installation or application, as shown in Tables 13
and 14.
4. Insulated vents and vent connectors may be required
for certain applications. See Table 14. When insulation
is required, it must be installed as indicated in Sections
A.5. and A.6.
5. If the vent connector is exposed to ambient tempera
tures of 30 degrees Fahrenheit or less, it must be insu
lated, as indicated per Sections A.5. and A.6.
6. The vent connectors must be spaced within 3 ft of each
other (3-ft rise).
7. Where possible, locate the vent closer to or directly
over the smaller appliance connector.
8. For multi-story installation, refer to Appendix G of
National Fuel Gas Code or Canadian standards CAN/
CGA.B149 for additional information to size the com
mon vent. Individual vent connector for the furnace
should be sized per single apphemce tables found in Sec-
Table 14—Common Vent (With 10 Ft Max. Lateral
Run) Furnace and Water Heater
58PAV
Size
Vent
Connector
Length (Ft)
Vent and
Vent Conn
Insulation
Required
Common Vent Height (Ft)
Common
Vent
Dia
(Ins.)
Minimum
Maximum*
035-ECt
or
035-GCt
5
—
8
22
5
yes
6
30
10
—
8
14
5
yes
6
30
15
—
NA
NA
5
yes
6
30
055-ECt
or
055-GCt
5
—
8
30
5
yes
8
30
10
—
10
30
5
yes
8
30
15
—
10
22
5
yes
8
30
075-GCt
or
075-JCt
5
—
10
30
5
—
5
30
6
10
10
30
5
—
5
30
6
15
—
10
30
5
5
30
6
090-GCt,
090-JCt,
or
090-LCt
5
—
14
30
5
—
6
30
6
10
—
14
30
5
—
6
30
6
15
—
14
30
5
_
6
30
6
110-JCt
or
110-LCt
5
_
10
30
6
—
5
30
7
10
—
10
30
6
—
5
30
7
15
—
10
30
6
—
5
30
7
125-LCt
5
—
10
30
6
—
8
30
7
—
6
30
8
10
—
10
30
6
—
8
30
7
—
6
30
8
15
10
30
6
—
8
30
7
—
6
30
8
*For applications requiring vent heights greater than 30 ft, contact your
Distributor/Dealer for more information,
flnstalied with a 40,000 Btuh gas-fired water heater—typical size.
^Installed with a 50,000 Btuh gas-fired water heater—typical size.
*For applications requiring vent heights greater than 30 ft, contact your
Distributor/Dealer for more information,
tinstalled with a 40,000 Btuh gas-fired water heater—typical size,
llnstalled with a 50,000 Btuh gas-fired water heater—typical size.
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