| BTU Rating | : | 15000 to 199000 Btu/hr |
| Connection Type | : | NPT |
| Dimensions | : | 23-5/8 in H x 17-3/4 in W x 11-1/4 in D |
| Energy Factor | : | 0.93 |
| Energy Star Compliant | : | Yes |
| Flow Rate | : | 10 gpm |
| Frequency Rating | : | 60 Hz |
| Fuel Type | : | Natural Gas |
| Ignition System | : | Direct |
| Lead-Free/Contains Lead | : | Lead-Free |
| Material | : | 316L Stainless Steel |
| Model | : | ATI-540P-N |
| Mounting Type | : | Wall |
| Phase | : | 1 ph |
| Pressure Rating | : | 4 to 10.5 in-WC |
| Temperature Rating | : | 100 deg F |
| Vent Type | : | Power Direct |
| Voltage Rating | : | 120 V |
The 540P Series integrates a recirculation pump to provide instant hot water in residential applications with dedicated recirculation lines. The pump is easily controlled with a simple user interface and multiple pump settings allow you to customize pump operation to meet your needs while maximizing heater efficiency. As part of the high-efficiency tankless family, the 540P Series provides endless hot water while being environmentally friendly. The ATI-540P-N indoor tankless water heater uses up to 199000 Btu/hr of natural gas to deliver an endless supply of hot water for a three bath home in northern climates and a four bath home in southern climates. It is built with commercial-grade materials like marine-grade 316L stainless steel giving it an industry leading warranty.
AO Smith® Indoor Water Heater, Model: ATI-540P-N, 15000 to 199000 Btu/hr, 10 gpm Flow Rate, 0.93 Energy Factor, Power Direct Vent, 120 V, 60 Hz, 1 ph Phase, NPT Connection, 4 to 10.5 in-WC, Energy Star Compliant: Yes, Wall Mounting, Natural Gas Fuel, Direct Ignition System, 316L Stainless Steel, Lead-Free, 100 deg F, 23-5/8 in H x 17-3/4 in W x 11-1/4 in D
- Integrated recirculation pump
- Dual heat exchanger
- Safety features
- Endless hot water