Page 15
HIGH ALTITUDE
All −1 to −14
models − Pressure regulator adjustment may be
required depending on altitude. See below for proper pressure
regulator setting.
Manifold Pressure (Outlet) in. w.g. (kPa)
ALTITUDE ft. (m)
FUEL
0−4500
(0−1372)
4501−5500
(1373−1676)
5501−6500
(1677−1981)
6501−7500
(1982−2286)
Natural Gas
3.5 (.87)
3.3 (.82)
3.2 (.80)
3.1 (.77)
LPG/Propane
10.0 (2.49)
All −15 and later models
− Pressure regulator adjustment
is not rquired. See below for proper pressure regulator setting.
Manifold Pressure (Outlet) in. w.g. (kPa)
FUEL
ALTITUDE ft. (m)
FUEL
0 − 10,000 (0 − 3048)
Natural Gas
3.5 (.87)
LPG/Propane
10.0 (2.49)
HIGH ALTITUDE
G50UH−1
1
High Altitude
Orifice Kit
Natural Gas Only
High Altitude Prove
Switch Kit
LPG/Propane Kit
G50UH−1
to −14
Natural Gas Only
4501−7500 ft.
(1373 − 2286m)
7501−10,000 ft.
(2287 − 3048m)
0−7500 ft.
(0 − 2286m)
7501−10,000 ft.
(2287 − 3048m)
−045−
−070
47M82
56L32
56L32
45L60
47M81
−090
47M82
49L90
15M22
45L60
47M81
−110
47M82
49L90
15M22
45L60
47M81
−135
47M82
49L90
15M22
45L60
47M81
−155
47M82
49L90
15M22
45L60
47M81
G50UH−15
1
High Altitude
Orifice Kit
Natural Gas Only
High Altitude Pressure
Switch Kit
LPG/Propane Kit
G50UH−15
and later
Natural Gas Only
4501−7500 ft.
(1373 − 2286m)
7501−10,000 ft.
(2287 − 3048m)
0−7500 ft.
(0 − 2286m)
7501−10,000 ft.
(2287 − 3048m)
all models
59M17
NO CHANGE
56L32
25W20
25W21
1
Required for proper operation at altitudes from 7501 to 10,000 ft.
