Bosch AQUA STAR 2400E LP Installation And Operating Instructions Manual page 20

Installation instructions
FOR NATURAL GAS
Maximum Capacity of pipe in Cubic Feet of Gas per Hour for Gas Pressure of 0.5 Psig or less and a Pressure drop
of 0.3" in Water Column (0.75mbar).(Based on a 0.60 Specific Gravity Gas) Btu numbers given in thousands.
Follow boxed numbers for piping just one 2400 E (example: ¾" B.I. Natural Gas pipe for 20 ft (6. 1 m). will
handle 190,000 btu's (55.7 kWh). For multiple appliances combine the total btu input load and then refer to
applicable chart below.
Nominal
Iron
Pipe Internal
Size, Diameter
inches inches 10 20
1/4 0.364 32 22
3/8 0.493 72 49
1/2 0.622 132 92
3/4 0.824 278 190
1 1.049 520 350
1 1/4 1.380 1050 730
1 1/2 1.610 1600 1100
2 2.067 3050 2100
Length of Flexible Corrugated Stainless Steel Tubing (CSST), Feet
Tube
size,
inches EHD*
10 20
1/2 18 EHD 82 58
3/4 23 EHD 161 116
1 30 EHD 330 231 188
1 1/4 37 EHD 639 456 374
FOR LP GAS
Maximum Capacity of Pipe in Thousands of BTU per Hour of Undiluted Petroleum Gases (at 11 inches Water Column Inlet
Pressure) (Based on a Pressure Drop of 0.5 Inch Water Column).
Nominal
iron
pipe
10 20 30
Inches
1/2 291 200 160 137 122 110 94
3/4 608 418 336 287 255 231 197 175
1 1145 787 632 541 480 434 372 330
Maximum Capacity of
corrugated) 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 Column)
* Source National Fuel Gas Code NFPA 54, ANSI
Z223. 1 - No Additional Allowance is necessary for an
ordinary number of fittings
Fig. 22
20
Length of Black Iron Pipe, Feet
30 40 50 60
18 15 14 12
40 34 30 27
73 63 56 50
152 130 115 105
285 245 215 195
590 500 440 400
890 760 670 610
1650 1450 1270 1150 1050
30 40 50 60
47 41 37 34
96 83 75 68
162 144 131
* EHD = Equivalent Hydraulic Diameter. The greater the
value of EHD, the greater the gas capacity of the tubing
325 292 267
Black Iron Pipe
Length of Pipe, Feet
40 50 60 80 100
84
Semi-Rigid (flexible,
70 80 90 100 125
11 11 10 9 8
25 23 22 21 18
46 43 40 38 34
96 90 84 79 72
180 170 160 150 130
370 350 320 305 275
560 530 490 460 410
990 930 870 780
* EHD = Equivalent Hydraulic Diameter. The greater the
value of EHD, the greater the gas capacity of the tubing.
Tube
size
inches
125 150 200
1/2
74 67 58
155 140 120
3/4
292 265 227
1
1 1/4
non
Outside
diameter
Inch 10 20
3/8 39 26
1/2 92 62
5/8 199 131
3/4 329 216
150 175 200
8 7 6
17 15 14
31 28 26
64 59 55
120 110 100
250 225 210
380 350 320
710 650 610
.
Length of Flexible Corrugated Stainless Steel Tubing (CSST), Feet
EHD*
10 20 30 40
18 EHD 129 91 74 64
23 EHD 254 183 151 131
30 EHD 521 365 297 256
37 EHD 971 661 528 449
Copper
Length of Tubing, Feet
30 40 50 60 70
21 19 _ _ _
50 41 37 35 31
107 90 79 72 67
181 145 131 121 112 104 95
50 60
58 53
118 107
227 207
397 359
80 90 100
_ _ _
29 27 26
62 59 55
90
6 720 608 263