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Bosch 330-PN-N Installation Manual page 18

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18 | Installation instructions
Tube size
inches
1/2
3/4
1
1 - 1/4
Table 9
* EHD = Equivalent Hydraulic Diameter. The greater the value
EHD, the greater the gas capacity of the tubing.
Nominal
Iron Pipe
Size
inches
1/2
3/4
1
Table 10
Outside
diameter
Inch
10
3/8
1/2
5/8
3/4
Table 11
Maximum Capacity of Semi-Rigid copper Tubing in Thousands
of BTU per Hour of Undiluted Liquefied Petroleum Gases (at 11
inches Water Column Inlet Pressure).
(Based on a Pressure Drop of 0,5 inch Water Colunm).
* Source National Fuel Gas Code NFPA 54, ANSI Z223.1
- No Additional Allowance is necessary for an ordinary number
of fittings.
6 720 644 951 (2014/11)
Lenght of Flexible Corrugated Stainless Steel Tubing (CSST), Feet
EHD*
10
18
129
23
254
30
521
37
971
10
20
30
291
200
160
608
418
336
1145
787
632
20
30
39
26
21
92
62
50
199
131
107
329
216
181
20
30
91
74
183
151
365
297
661
528
Black Iron Pipe
Lenght of pipe, Feet
40
50
60
137
122
110
287
255
231
541
480
434
Cooper (LP gas only)
Lenght of Tubing, feet
40
50
60
19
-
-
41
37
35
90
79
72
145
131
121
40
50
64
58
131
118
256
227
449
397
80
100
125
94
84
74
197
175
155
372
330
292
70
80
-
-
31
29
67
62
112
104
60
53
107
207
359
150
200
67
58
140
120
265
227
90
100
-
-
27
26
59
55
95
90
330 PN

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