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9 - CONNECTING GAS SERVICE
9.1 General
•
National Fuel gas Code
• Canada - Natural Gas and Propane Installation Code,
•
•
connection. Boiler will not support piping weight.
•
•
MAXIMUM CAPACITY OF PIPE IN CUBIC FEET OF
GAS/HOUR
(Gas Pressure = 0.5 psig or less, Pressure Drop = 5
Table 9-2
Length of
Pipe (Feet)
Nominal Iron Pipe Size
½” ¾” 1” 1¼”
10 175 360 680 1400
20 120 250 465 950
30 97 200 375 770
40 82 170 320 660
60 66 138 260 530
80 57 118 220 460
100 50 103 195 400
National Fuel Gas
Code
Figure 10-1 - Gas Piping
CAUTION
WHAT TO DO IF YOU SMELL GAS
•
•
•
instructions.
•
!!
(183
DANGER
!
WARNING
!
NOTICE
Table 9-1 Natural Gas Propane
5" w.c. 11" w.c.
13.5" w.c. 13.5" w.c.
3.5" w.c.
10" w.c.
10.5" w.c.
9.2 Leak Check Gas Piping
boiler in operation.
•
•
•
providing ignition source.
•
PN 240012889 Rev. A [07/31/2020]
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