Use and Care Manual

507715-01Page 48 of 61 Issue 1716
Table 13.
Burner Orice Conversion Kits at Varying Altitudes
Capacity
0 - 7,500 ft
(0 - 2,286 m)
7,501 - 10,000 ft
(2,286 - 3,048 m)
Natural to LP/
Propane
LP/Propane to
Natural
High Altitude
Natural Burner
Orice Kit
High Altitude
LP/Propane Burner
Orice Kit
All 11K50+ 73W80* 51W01 11K45+
* Conversion requires installation of a gas valve regulator spring which is provided with the gas
conversion Kit.
+ LP Kits include low line pressure switch.
GUH92A Pressure Switch Requirements at Varying Altitudes
Capacity
0 - 4500 ft
(0 - 1371m)
4501 - 7500 ft
(1371 - 2286m)
7501 - 10000 ft
(2286 - 3048m)
045
No Change 11J09 11J10
070
090
110
135 No Change 11J11 11U68
Pressure switch is factory set. No adjustment necessary. All models use the factory-installed pressure
switch from 0-4500 feet (0-1371 m).
GUH95A Pressure Switch Requirements at Varying Altitudes
Capacity
0 - 4500 ft
(0 - 1371m)
4501 - 7500 ft
(1371 - 2286m)
7501 - 10000 ft
(2286 - 3048m)
045 No Change No Change 11J09
070 No Change 11J12 10U93
090 No Change 11J11 10U93
110 No Change 11J12 10U93
135 No Change 11J11 10U93
Pressure switch is factory set. No adjustment necessary. All models use the factory-installed pressure
switch from 0-4500 feet (0-1371 m).