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A. O. Smith 1 Gallon Gas Tankless Water Heater

Model Numbers: ATHR-199X3 1**, ATHR-199M 1**, LTHR-199M 1**, MTHR-199M 1**, GT15THR-199X3 1**, GT15THR-199M 1**, STHR-199X3 1**, LTHR-199X3 1**, MTHR-199X3 1**, GTHR-199X3 1**, RTHR-199M 1**, JTHR-199M 1**, JTHR-199X3 1**, RTHR-199X3 1**, STHR-199M 1**, GTHR-199M 1**

Key Performance Data

Water Heater
Gas Tankless
Ductless
Packaged Unit
Category
0.95
Uniform Energy Factor
1
Storage Volume
178
Therms Per Yr
Natural Gas, Propane
Fuel

Appliances in this system:

Appliance Type Make/Model Appliance Location  
Integrated Water Heater A. O. Smith Integrated Water Heater Indoor View Details

Same as:

Brand Model System Type  
American American 1 Gallon Gas Tankless Water Heater
Model numbers: MTHR-199M 1**
Gas Tankless View Details
American American 1 Gallon Gas Tankless Water Heater
Model numbers: MTHR-199X3 1**
Gas Tankless View Details
A. O. Smith A. O. Smith 1 Gallon Gas Tankless Water Heater
Model numbers: ATHR-199M 1**
Gas Tankless View Details
A. O. Smith A. O. Smith 1 Gallon Gas Tankless Water Heater
Model numbers: ATHR-199X3 1**
Gas Tankless View Details
A. O. Smith A. O. Smith 1 Gallon Gas Tankless Water Heater
Model numbers: GT15THR-199M 1**
Gas Tankless View Details
A. O. Smith A. O. Smith 1 Gallon Gas Tankless Water Heater
Model numbers: GT15THR-199X3 1**
Gas Tankless View Details
State State 1 Gallon Gas Tankless Water Heater
Model numbers: STHR-199M 1**
Gas Tankless View Details
GSW GSW 1 Gallon Gas Tankless Water Heater
Model numbers: GTHR-199M 1**
Gas Tankless View Details
GSW GSW 1 Gallon Gas Tankless Water Heater
Model numbers: GTHR-199X3 1**
Gas Tankless View Details
John Wood John Wood 1 Gallon Gas Tankless Water Heater
Model numbers: JTHR-199M 1**
Gas Tankless View Details
John Wood John Wood 1 Gallon Gas Tankless Water Heater
Model numbers: JTHR-199X3 1**
Gas Tankless View Details
Lochinvar Lochinvar 1 Gallon Gas Tankless Water Heater
Model numbers: LTHR-199M 1**
Gas Tankless View Details
Lochinvar Lochinvar 1 Gallon Gas Tankless Water Heater
Model numbers: LTHR-199X3 1**
Gas Tankless View Details
Reliance Reliance 1 Gallon Gas Tankless Water Heater
Model numbers: RTHR-199M 1**
Gas Tankless View Details
Reliance Reliance 1 Gallon Gas Tankless Water Heater
Model numbers: RTHR-199X3 1**
Gas Tankless View Details
State State 1 Gallon Gas Tankless Water Heater
Model numbers: STHR-199X3 1**
Gas Tankless View Details