Gas Requirements
Part No. 70476501ENR7
49
For proper operation at altitudes above 2000 feet (610 meters),
the gas orifice size must be reduced to ensure complete
combustion. Refer to Table 6 .
For CE models, consult local gas supplier.
Altitude
Orifice
New Rate
Model
Gas
feet (m)
No.
inches (mm)
Quantity
Part No.
Btu/hr.*
(Mj/hr.)
2,001 – 4,000
(610 – 1,220)
18
0.1695 (4.3)
M402988
248,400
(262)
4,001 – 6,000
(1,221 – 1,830)
19
0.1660 (4.2)
M402995
226,800
(239)
6,001 – 8,000
(1,831 – 2,440)
21
0.1590 (4)
M402992
205,200
(216)
Natural Gas
8,001 – 10,000
(2,441 – 3,050)
24
0.1520 (3.9)
M402980
183,600
(194)
2,001 – 4,000
(610 – 1,220)
38
0.1015 (2.6)
M411376
248,400
(262)
4,001 – 6,000
(1,221 – 1,830)
40
0.0980 (2.5)
M406361
226,800
(239)
6,001 – 8,000
(1,831 – 2,440)
42
0.0935 (2.4)
M403017
205,200
(216)
120L/N
L.P. Gas
8,001 – 10,000
(2,441 – 3,050)
43
0.0890 (2.3)
3
M406184
183,600
(194)
2,001 – 4,000
(610 – 1,220)
16
0.1770 (4.5)
M411373
363,400
(383)
4,001 – 6,000
(1,221 – 1,830)
11/64
0.1719 (4.4)
44249901
331,800
(350)
6,001 – 8,000
(1,831 – 2,440)
19
0.1660 (4.2)
M402995
300,200
(317)
170L/N
Natural Gas
8,001 – 10,000
(2,441 – 3,050)
22
0.1570 (4)
4
M402996
268,600
(283)
Summary of Contents for GA120L
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