A.O. Smith ATX-199 Instruction Manual page 41

Pipe
10' 20'
Diameter
(3 .0 m (6.1 m) (9.1 m)
)
172 118
360 247
1"
678 466
957
2"
Diameter
10' 20'
(3 .0 m) (6.1 m) (9.1 m)
268 184
567 393
1"
732
2"
Table 19. Natural Gas Supply Piping
30' 50'
40'
(12.2 m) (15.2 m) (18.3 m)
95 81 72
199 170 151 137
374 320 284 257
768 657 583 528
985 873 791
Table 20. Propane (LP) Supply Piping
30' 40' 50'
(12.2 m) (15.2 m) (18.3 m)
148 126 112
315 267 237
590 504 448
913
Length
60' 70' 80'
(21.3 m) (24.4 m) (27.4 m)
65 60 56
126 117
237 220
486 452
728 677
Length
60' 70' 80'
(21.3 m) (24.4 m) (27.4 m)
101 93 87
217 196 185
409 378 346
834 771 724
41
90' 100' 125' 150'
(30.5 m) (38.1 m) (45.7 m)
52 50 44
110 104 92
207 195 173 157
424 400 355 322
635 600 532 482
928
90' 100 125 150'
(30.5 m) (38.1 m) (45.7 m)
82 77 68
173 162 146
322 307 275
677 630 567
976 866
200
(61.0 m)
40 34
83 71
134
275
412
794
200'
(61.0 m)
62 53
132 112
252 213
511 440
787 675