American Water Heater AHCG/HCG3 60T 120 - AHCG3/HCG3 100T 250 Water Heater User Manual


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SUPPLY GAS LINE INSTALLATION
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Fire and Explosion Hazard
Turn off gas lines during installation.
Contact a qualified installer or service
agency for installation and service.
Excessive gas pressure to gas valve can
cause serious injury or death.
Do not use water heater with any gas
other than the gas shown on the rating
label.
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REGULATED GAS
SUPPLY LINE
MAIN GAS
SHUTOFF VALVE
TEE FITTING
PIPE CAP
SEDIMENT TRAP
Figure 52
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GAS LINE SIZING
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SUPPLY GAS LINE SIZING U. S. UNITS
TABLE 8
LENGTH
IN
)((7
1250$/,5213,3(6,=(6,1&+(6
,1387,17+286$1'6%78+5
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10 175 360 680 1400 2100 3960
20 120 250 485 950 1460 2750
30 97 200 375 770 1180 2200
40 82 170 320 660 990 1900
50 73 151 285 580 900 1680
60 66 138 260 530 810 1520
70 61 125 240 490 750 1400
80 57 118 220 460 690 1300
90 53 110 205 430 650 1220
100 50 103 195 400 620 1150
125 44 93 175 360 550 1020
150 40 84 160 325 500 950
175 37 77 145 300 460 850
200 35 72 135 280 430 800
SUPPLY GAS LINE SIZING METRIC UNITS
TABLE 9
LENGTH
IN
0(7(56
1250$/,5213,3(6,=(6,1&+(6
INPUT IN kW
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 51 105 199 410 615 1160
 35 73 142 278 428 805
 28 59 110 225 346 644
 24 50 94 193 290 556
 21 44 83 170 264 492
 19 40 76 155 237 445
 18 37 70 143 220 410
 17 35 64 135 202 381
 16 32 60 126 190 357
 15 30 57 117 182 337
 13 27 51 105 161 299
 12 25 47 95 146 278
 11 23 42 88 135 249
 10 21 40 82 126 234
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