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Gas Line Sizing for a Noritz Gas Water Heater
Maximum Natur
Natur
al Gas Delivery Capacity in Cubic Feet per Hour (0.60 Specific Gravity, 0.5" WC Pressure Drop)
Contact the Gas Supplier for Btu/Cubic Ft. of the Supplied Gas. 1000 BTU/Cubic Ft. is a Typical Value
Maximum Liquified P
Liquified P
etroleum (Undiluted) Delivery Capacity in Thousands of Btuh (0.5" WC Pressure Drop)
Length in Feet
Length in Feet
Pipe
Size
Pipe
Size
1/2"
1/2"
3/4"
3/4"
1"
1"
1 1/4"
1 1/4"
1 1/2"
1 1/2"
2"
2"
2 1/2"
3"
3 1/2"
4"
174
363
684
1404
2103
4050
6455
11,412
16,709
23,277
119
249
470
965
1445
2784
4437
7843
11,484
15,998
96
200
377
775
1161
2235
3563
6299
9222
12,847
Adapted from UPC 1997
82
171
323
663
993
1913
3049
5391
7893
10,995
73
152
286
588
880
1696
2703
4778
6995
9745
66
138
259
532
798
1536
2449
4329
6338
8830
61
127
239
490
734
1413
2253
3983
5831
8123
56 53 50 44
118 111 104 93
222 208 197 174
456
683
1315
2096
3705
5425
7557
428
641
1234
1966
3476
5090
7091
404
605
1165
1857
3284
4808
6698
358
536
1033
1646
2910
4261
5936
275
567
1071
2205
3307
6221
189
393
732
1496
2299
4331
152
315
590
1212
1858
3465
129
267
504
1039
1559
2992
114
237
448
913
1417
2646
103
217
409
834
1275
2394
96
196
378
771
1181
2205
89
185
346
724
1086
2047
83
173
322
677
1023
1921
78
162
307
630
976
1811
69
146
275
567
866
1606
63
132
252
511
787
1496
55
112
213
440
675
1260
Maximum Capacity of Flex TracPipe in Cubic Feet per Hour of Natural Gas
(0.60 Specific Gravity, 0.5" WC Pressure Drop)
Length in Feet
Pipe
Size
3/4"
1"
1 1/4"
1 1/2"
2"
206
383
614
1261
2934
147
269
418
888
2078
121
218
334
723
1698
105
188
284
625
1472
94
168
251
559
1317
86
153
227
509
1203
80
141
209
471
1114
75
132
194
440
1042
71
125
181
415
983
67
118
171
393
933
55
94
137
320
762
48
82
116
277
661
R
Maximum Capacity of Flex TracPipe in Thousands of Btuh Liquified Petroleum
( 0.5" WC Pressure Drop)
Length in Feet
Pipe
Size
3/4"
1"
1 1/4"
1 1/2"
2"
325
605
971
1993
4638
232
425
661
1404
3285
191
344
528
1143
2684
166
297
449
988
2327
149
265
397
884
2082
136
241
359
805
1902
126
222
330
745
1761
118
208
307
696
1647
112
197
286
656
1554
106
186
270
621
1475
87
143
217
506
1205
76
129
183
438
1045
R
** For reference only. Please consult gas pipe manufacturer for actual pipe capacities.
** For reference only. Please consult gas pipe manufacturer for actual pipe capacities.
Maximum Capacity for Gas Flex Connectors in Cubic Feet per Hour of Natural Gas (0.60 Specific Gravity, 0.5" WC Pressure Drop)
Length in Inches
Pipe
Size
1/2"
3/4"
1"
1 1/4"
180 150
290
581
1470
125
255
512
1200
106
215
442
1130
93
197
397
960
86
173
347
930
Length in Inches
Pipe
Size
1/2"
3/4"
1"
1 1/4"
288 240
465
930
2352
200
409
825
1920
169
344
708
1808
149
315
638
1536
137
278
556
1488
Maximum Capacity for Gas Flex Connectors in Thousands of Btuh Liquified Petroleum ( 0.5" WC Pressure Drop)
** For reference only. Please consult gas pipe manufacturer for actual pipe capacities.
TracPipe® is a registered trademark of Omega Flex.
3m (10')
6m (20') 9m (30')
12m (40') 15m (50') 18m (60') 21m (70') 24m (80') 27m (90')
37.5m (125')
30m (100')
3m (10')
6m (20') 9m (30')
12m (40') 15m (50') 18m (60') 21m (70') 24m (80') 27m (90') 30m (100') 60m (200')
37.5m (125') 45m (150')
60m (200')
3m (10')
6m (20') 9m (30')
12m (40') 15m (50') 18m (60') 21m (70') 24m (80') 27m (90') 30m (100') 45m (150')
60m (200')
3m (10')
6m (20') 9m (30')
12m (40') 15m (50') 18m (60') 21m (70') 24m (80') 27m (90') 30m (100') 45m (150')
300mm (12") 600mm (24") 900mm (36") 1200mm (48") 1500mm (60") 1800mm (72")
300mm (12") 600mm (24") 900mm (36") 1200mm (48") 1500mm (60") 1800mm (72")
07.1.5, 4:34 PMPage 17