34000 Autry Street, Livonia, MI 48150 • 800.968.5530 • Fax 734.419.0209 • www.hamiltonengineering.com • LIT91127 REV 3/09
GAS CONNECTION
Nominal Internal Length of Pipe (Feet)
Iron Pipe Diameter
Size
(in.)
(inches) 10 20 30 40 50 60 70 80 90 100 125 150 200
BTUs
per
HR
x
1,000
3/4 0.824 567 393 315 267 237 217 196 185 173 162 146 132 112 }
1 1.049 1,071 732 590 504 448 409 378 346 322 307 275 352 213 }
1-1/4 1.380 2,205 1,496 1,212 1,039 913 834 771 724 677 630 567 511 440 }
1-1/2 1.610 3,307 2,299 1,858 1,559 1,417 1,275 1,181 1,086 1,023 976 866 787 675 }
2 2.067 6,221 4,331 3,465 2,992 2,646 2,394 2,205 2,047 1,921 1,811 1,606 1,496 1,260}
(TABLE 3-2) PROPANE SUPPLY PIPING (Based on 11” WC supply pressure)
C. GAS TABLES
D. GAS VALVE SETUP
2
1
3
2
1
3
4
(DO NOT TOUCH!)
DO NOT ADJUST
increase
increase
(FIGURE 3-2) EVO MODELS 79-399 (FIGURE 3-3) EVO MODEL 599
Page 11 of 50
(TABLE 3-1) NATURAL GAS SUPPLY PIPING
Nominal Internal Length of Pipe (Feet)
Iron Pipe Diameter
Size
(in.)
(inches) 10 20 30 40 50 60 70 80 90 100 125 150 200
BTUs
per
HR
x
1,000
3/4 0.824 363 249 200 171 152 138 127 118 111 104 93 84 72 }
1 1.049 684 470 377 323 286 259 239 222 208 197 174 158 135 }
1-1/4 1.380 1,404 965 775 663 588 532 490 456 428 404 358 324 278 }
1-1/2 1.610 2,103 1,445 1,161 993 880 798 734 683 641 605 536 486 419 }
2 2.067 4,050 2,784 2,235 1,913 1,696 1,536 1,413 1,315 1,234 1,165 1,033 936 801 }
(Based on 0.60 specic gravity for natural gas at 0.5” WC pressure drop; DOE standard is 1100 BTU per
cubic foot of natural gas.)
1. Run the gas supply line in accordance with all applicable codes.
2. Locate and install manual shut off valves in accordance with state and local requirements.