Lennox G50UHX Series User Manual

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.

Lennox G50UHX Series Specifications

General

Brand	Lennox
Model	G50UHX Series
Category	Furnace
Language	English