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Gas Line Sizing for a Noritz Gas Water Heater
Maximum Natur
Natural Gas Delivery Capacity in Cubic Feet per Hour (0.60 Specific Gravity, 0.5" WC Pressure Drop)
Pipe
3m (10') 6m (20')
9m (30')
Size
1/2"
174
119
3/4"
363
249
1"
684
470
1 1/4"
1404
965
1 1/2"
2103
1445
2"
4050
2784
2 1/2"
4437
6455
3"
11,412
7843
3 1/2"
16,709
11,484
4"
23,277
15,998
12,847
Contact the Gas Supplier for Btu/Cubic Ft. of the Supplied Gas. 1000 BTU/Cubic Ft. is a Typical Value
Maximum Liquified P
Liquified Petroleum (Undiluted) Delivery Capacity in Thousands of Btuh (0.5" WC Pressure Drop)
Pipe
Size
3m (10') 6m (20')
9m (30') 12m (40') 15m (50') 18m (60') 21m (70') 24m (80') 27m (90') 30m (100')
1/2"
275
189
152
3/4"
567
393
315
1071
1"
732
590
1 1/4"
2205
1496
1212
1 1/2"
3307
2299
1858
2"
6221
4331
3465
** For reference only. Please consult gas pipe manufacturer for actual pipe capacities.
Maximum Capacity of Flex TracPipe in Cubic Feet per Hour of Natural Gas
Pipe
Size
3m (10')
6m (20')
9m (30')
206
147
121
3/4"
1"
383
269
218
1 1/4"
614
418
334
1 1/2"
1261
888
723
2"
2934
2078
1698
Maximum Capacity of Flex TracPipe in Thousands of Btuh Liquified Petroleum
Pipe
Size
3m (10')
6m (20')
9m (30')
325
232
191
3/4"
1"
605
425
344
1 1/4"
971
661
528
1 1/2"
1993
1404
1143
2"
4638
3285
2684
** For reference only. Please consult gas pipe manufacturer for actual pipe capacities.
TracPipe® is a registered trademark of Omega Flex.
Maximum Capacity for Gas Flex Connectors in Cubic Feet per Hour of Natural Gas
Pipe
Size
300mm (12")
600mm (24")
180
1/2"
3/4"
1"
1 1/4"
Maximum Capacity for Gas Flex Connectors in Thousands of Btuh Liquified Petroleum
Pipe
Size
300mm (12")
600mm (24")
288
1/2"
3/4"
1"
1 1/4"
** For reference only. Please consult gas pipe manufacturer for actual pipe capacities.
All manuals and user guides at all-guides.com
Adapted from UPC 1997
Length in Feet
12m (40')
15m (50')
18m (60')
96
82
73
66
200
171
152
138
377
323
286
259
775
663
588
532
993
880
798
1161
1913
1696
1536
2235
3049
2703
2449
3563
6299
5391
4778
4329
9222
7893
6995
6338
10,995
9745
8830
Length in Feet
129
114
103
96
267
237
217
196
504
448
409
378
1039
913
834
771
1559
1417
1275
1181
2992
2646
2394
2205
R
Length in Feet
12m (40')
15m (50') 18m (60')
105
94
86
188
168
153
284
251
227
625
559
509
1472
1317
1203
R
Length in Feet
12m (40')
15m (50') 18m (60')
166
149
136
297
265
241
449
397
359
988
884
805
2327
2082
1902
Length in Inches
900mm (36")
150
125
290
255
581
512
1470
1200
Length in Inches
900mm (36")
200
240
465
409
930
825
2352
1920
21m (70')
24m (80') 27m (90')
61
56
53
127
118
111
239
222
208
490
456
428
734
641
683
1413
1315
1234
2253
2096
1966
3983
3705
3476
5831
5425
5090
8123
7557
7091
37.5m (125') 45m (150')
89
83
78
69
185
173
162
146
346
322
307
275
724
677
630
567
1086
866
1023
976
2047
1921
1811
1606
(0.60 Specific Gravity, 0.5" WC Pressure Drop)
21m (70')
24m (80')
27m (90')
30m (100') 45m (150')
80
75
71
67
141
132
125
118
209
194
181
171
471
440
415
393
1114
1042
983
933
( 0.5" WC Pressure Drop)
21m (70')
24m (80')
27m (90')
30m (100') 45m (150')
126
118
112
106
222
208
197
186
330
307
286
270
745
696
656
621
1647
1554
1475
1761
(0.60 Specific Gravity, 0.5" WC Pressure Drop)
1200mm (48")
1500mm (60")
106
93
215
197
442
397
1130
960
( 0.5" WC Pressure Drop)
1200mm (48")
1500mm (60")
169
149
344
315
708
638
1808
1536
30m (100')
37.5m (125')
50
44
104
93
197
174
404
358
605
536
1165
1033
1646
1857
3284
2910
4808
4261
6698
5936
60m (200')
63
55
132
112
252
213
511
440
675
787
1496
1260
60m (200')
55
48
94
82
137
116
320
277
762
661
60m (200')
87
76
143
129
217
183
438
506
1045
1205
1800mm (72")
86
173
347
930
1800mm (72")
137
278
556
1488
17
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