26
©
2014
Daikin
North
America,
LLC
Natural
Gas
Capacity
of
Pipe
Chart
Nominal
Black
Pipe
Size
Pipe
Length
1/2”
3/4”
1”
1 1/4”
1
1/2”
10’
132
278
520
1050
1600
20’
92
190
350
730
1100
30’
73
152
285
590
980
40’
63
130
245
500
760
50’
56
115
215
440
670
60’
50
105
195
400
610
70’
46
96
180
370
560
80’
43
90
170
350
530
90’
40
84
160
320
490
100’
38
79
150
305
460
BTUH
Furnace
Input
Heating
Value
of
Gas
(BTU/
Cubic
Foot)
CFH
=
©
2014
Daikin
North
America,
LLC
Gas
Connections
Piping
may
enter
the
left
or
right
side
of
cabinet
.
The
installer
must
supply
rigid
pipe
long
enough
to
reach
the
outside
of
the
cabinet
to
seal
the
grommet
cabinet
penetration.
A
semi
‐
rigid
connector
to
the
gas
piping
can
be
used
outside
the
cabinet
per
local
codes
.
1/2”
NPT
pipe
and
fittings
are
required.
