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Burner Orifice Conversion Kits at Varying Altitudes
| 0 - 7,500 ft |
| 7,501 - 10,000 ft | |||
| (0 - 2,286 m) | (2,286 - 3,038 m) | ||||
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| Natural | LP/Propane | High Altitude | High Altitude | ||
Unit | Natural | LP/Propane | ||||
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Size |
| Burner Orifice | Burner Orifice | |||
LP/Propane |
| Natural | ||||
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| Kit | Kit | |||
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All | 68W75*† |
| 73W80* | 51W01 | 68W70*† | |
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*Conversion requires installation of a gas valve regulator spring which is provided with the gas conversion kit.
† LP kit includes low line pressure switch.
A93 and 92G1 Pressure Switches at Varying Altitudes
Unit | 0 - 4,500 ft | 4,501 | - 7,500 ft | 7,501 - 10,000 ft |
Size | (0 - 1,373 m) | (1,373 | - 2,286 m) | (2,286 - 3,038 m) |
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All | No Change | No Change | 74W91 | |
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Pressure switch is factory set. No adjustment necessary.
All models use the factory installed pressure switch from 0 - 7,500 feet.
A95 and 95G1 Pressure Switches at Varying Altitudes
| Unit | 0 - 4,500 ft | 4,501 - 7,500 ft | 7,501 - 10,000 ft |
| Size | (0 - 1,373 m) | (1,373 - 2,286 m) | (2,286 - 3,038 m) |
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| 045 | No Change | No Change | 74W90 |
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070 | No Change | 77W43 | 73W22 | |
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090 | No Change | 77W42 | 73W22 | |
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110 | No Change | 77W43 | 73W22 | |
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135 | No Change | 77W42 | 73W22 | |
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Pressure switch is factory set. No adjustment necessary.
All models use the factory installed pressure switch from 0 - 4,500 feet.
TABLE 14
Issue 1109 | Page 37 of 48 |