Repair Parts List
The following repair parts are available through independent Lennox dealers. When ordering parts, include the complete fur- nace model number listed on the CSA international. rating plate Example: G24−200. Refer to page 4 and 5 for parts identifi- cation.
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| Heating Parts |
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Front louver door (2) |
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| Transformer(s) |
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| Heat exchanger (2) |
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| Wheel (2) | |||||||||||||||||||||
Blower access panel (2) |
| Ignition control board (2) |
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| Main burners |
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| Motor | ||||||||||||||||||||
| Cabinet cap |
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| Door interlock (2) |
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| Main burner orifices |
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| Cabinet |
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| Ignition cable (2) |
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| Gas manifold/burner |
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| Shaft | |||||||||||||||||||||
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| box assembly (2) |
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Cabinet |
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| Ignitor (2) |
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| Gas valve (2) |
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| Motor pulley | ||||||||||||||||||
| Flue adapter (2) |
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| Flame sensor (2) |
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| Flue box (2) |
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| Wheel pulley | |||||||||||||||||
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| Combustion air blower (2) |
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| Belt | |||||||||||||||||
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| Primary limit (2) |
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| Flexible gas connector |
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| Bearing (2) | ||||||||||||||
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| Pressure switch (2) |
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| Vibration isolators (4) | |||||||||
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| Blower timing control board |
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| Locating rods (2) | ||||||||||
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| Accessory relay |
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| Blower operation relays |
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| Contactor |
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| Combustion air blower |
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| operation relays |
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G24−200 Start−up and Performance Check List |
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| Job Name |
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| Job Number |
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| Job Location |
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| City |
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| State/Province |
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| Installer |
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| City |
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| Unit Model No. |
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| Serial Number |
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| Serviceman |
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| HEATING SECTION |
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| Electrical Connections Tight? |
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| Supply Voltage |
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| Blower Motor Amps |
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| Blower Motor Horsepower/Kw |
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| Blower Motor Lubrication OK? |
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| Blower Shaft Lubrication OK? |
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| Gas Piping Connections Tight & Leaks Tested? |
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| Fuel Type: | Natural Gas? |
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| Furnace Btu (kw) Input |
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| Line Pressure w.c./Pa − Nat. |
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| Regulator Pressure w.c./Pa −− Nat. |
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| Connections Tight? |
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| Proper Draft? |
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| Temperature Rise |
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| Filter Clean & Secure? |
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| Vent Clear? |
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| THERMOSTAT |
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| Calibrated? |
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| Heat Anticipator Properly Set? |
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| Level? |
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Page 39