| Part Number | Part Description | Part Link |
| 54G43 | Enthalpy Sensor | View Lennox Part # 54G43 |
Lennox/Armstrong/Concord and Ducane SGA120H4 Parts
Home / Lennox/Armstrong/Concord and Ducane SGA120H4 Parts
| Part Number | Part Description | Part Link |
| 54G43 | Enthalpy Sensor | View Lennox Part # 54G43 |