AquaStar 240FX Compared With Storage Tanks
An application note describing how AquaStar 240FX Compared With Storage Tanks is used in practice.
AquaStar 240FX Tankless Hot Water Heater
Comparison versus tank type water heaters
| Features | 240FX Tankless Water Heater | 100 gallon gas storage tank | 50 gallon gas storage tank |
|---|---|---|---|
| First Hour Rating | 180 gal/hour | 135 gal/hour | 74 gal/hour |
| BTU Input | 37,000-165,000 | 75,000 | 40,000 |
| Tank size | unnecessary | 100 gallons | 50 gallons |
| Thermal Efficiency | 83% | 76% | 76% |
| Energy Factor— | |||
| Natural Gas | 0.81 | 0.48 | 0.54 |
| LP Gas | 0.84 | 0.44 | 0.53 |
| Size in Cubic Ft. | 2.2 | 24 | 30 |
| Dimensions | H:24.5" W: 16.5" D: 8.3" | H: 64" D: 26.25" | H: 57" D: 19.75" |
| Modulating Gas Valve | Yes | No | No |
| Computer Controls | Yes | No | No |
| Electronic Ignition | Yes | No | No |
| Built in Power Vent | Yes | Optional | Optional |
| Wall Hanging | Yes (optional) | No | No |
| Life Expectancy | 23-30 years | 2-10 years | 2-10 years |