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A. O. Smith Gas Tankless Water Heater
A sub-brand of: A. O. Smith Gas Tankless Water Heater Model Numbers: ATO-540H 1**Key Performance Data
Water Heater
Gas Tankless
Ductless
Packaged Unit
Category
Gas Tankless
Ductless
Packaged Unit
0.95
Uniform Energy Factor
178
Therms Per Yr
Natural Gas
Fuel
Appliances in this system:
| Appliance Type | Make/Model | Appliance Location | |
|---|---|---|---|
| Integrated Water Heater | A. O. Smith Integrated Water Heater ATO-540H 1** | Indoor | View Details |
Same as:
| Brand | Model | System Type | ||
|---|---|---|---|---|
| American |
American Gas Tankless Water Heater
Model numbers: MCT-199O-N 1** |
Gas Tankless | View Details | |
| A. O. Smith |
A. O. Smith Gas Tankless Water Heater
Model numbers: ACT-199O-N 1** |
Gas Tankless | View Details | |
| A. O. Smith |
A. O. Smith Gas Tankless Water Heater
Model numbers: ATO-540HX3-N 1** |
Gas Tankless | View Details | |
| A. O. Smith |
A. O. Smith Gas Tankless Water Heater
Model numbers: ATO-540P-N 1** |
Gas Tankless | View Details | |
| A. O. Smith |
A. O. Smith Gas Tankless Water Heater
Model numbers: GT15-540-NO 1** |
Gas Tankless | View Details | |
| American |
American Gas Tankless Water Heater
Model numbers: GT-540-NEH 1** |
Gas Tankless | View Details | |
| American |
American Gas Tankless Water Heater
Model numbers: GT-540P-NEH 1** |
Gas Tankless | View Details | |
| American |
American Gas Tankless Water Heater
Model numbers: GT-540X3-NEH 1** |
Gas Tankless | View Details | |
| State |
State Gas Tankless Water Heater
Model numbers: SCT-199O-N 1** |
Gas Tankless | View Details | |
| Lochinvar |
Lochinvar Gas Tankless Water Heater
Model numbers: LCT-199O-N 1** |
Gas Tankless | View Details | |
| Lochinvar |
Lochinvar Gas Tankless Water Heater
Model numbers: LTO-540H-N 1** |
Gas Tankless | View Details | |
| Lochinvar |
Lochinvar Gas Tankless Water Heater
Model numbers: LTO-540HX3-N 1** |
Gas Tankless | View Details | |
| Lochinvar |
Lochinvar Gas Tankless Water Heater
Model numbers: LTO-540P-N 1** |
Gas Tankless | View Details | |
| Reliance |
Reliance Gas Tankless Water Heater
Model numbers: TS-540-GEH 1** |
Gas Tankless | View Details | |
| Reliance |
Reliance Gas Tankless Water Heater
Model numbers: TS-540P-GEH 1** |
Gas Tankless | View Details | |
| Reliance |
Reliance Gas Tankless Water Heater
Model numbers: TS-540X3-GEH 1** |
Gas Tankless | View Details | |
| State |
State Gas Tankless Water Heater
Model numbers: GTS-540-NEH 1** |
Gas Tankless | View Details | |
| State |
State Gas Tankless Water Heater
Model numbers: GTS-540P-NEH 1** |
Gas Tankless | View Details | |
| State |
State Gas Tankless Water Heater
Model numbers: GTS-540X3-NEH 1** |
Gas Tankless | View Details | |
| Takagi |
Takagi Gas Tankless Water Heater
Model numbers: TCT-199O-N 1** |
Gas Tankless | View Details | |
| Takagi |
Takagi Gas Tankless Water Heater
Model numbers: T-H3-OS-N 1** |
Gas Tankless | View Details | |
| Takagi |
Takagi Gas Tankless Water Heater
Model numbers: TK-540P-NEH 1** |
Gas Tankless | View Details |
