AO Smith ATI-140H-N 6.6 GPM 120,000 BTU 120 Volt Residential Natural Gas Tankless Water Heater (Indoor Natural Gas 140H)
Product details
| Management number | 229885170 | Release Date | 2026/05/31 | List Price | $312.00 | Model Number | 229885170 | ||
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The 140H Series offers high efficiency Ultra-Low NOx condensing technology allowing for the use of 3” PVC venting and has 0” clearance to combustibles. Indoor models are certified up to 10,100 ft. altitude. Provides a variety of installation options: indoor, outdoor and direct vent. Complies with Ultra-Low NOx regulations and meets the energy efficiency requirements of ASHRAE 90.1b-1992. The ATI-140H-N tankless water heater uses up to 120,000 BTUs of natural gas to deliver a max flow rate of 6.6 GPM. It utilizes condensing technology to achieve a Uniform Energy Factor of 0.90. this model meets Ultra-Low NOx emission requirements, and comes with a 15-year limited warranty. A. O. Smith’s ProLine water heaters are residential products built to commercial-grade standards and are only available for purchase through professional wholesalers and contractors.
- Primary commercial-grade copper heat exchanger is 25x better than stainless steel at heat transfer, stabilizing outgoing water temperatures quicker.
- Wall-mount design saves valuable space and allows for additional storage and flexibility.
- Highly efficient condensing Ultra-Low Nox tankless water heater delivers up to .91 Uniform Energy Factor (UEF).
- Safety features include exhaust & water temperature safety control, overheat cut-off fuse and air-fuel ratio (AFR) sensor. Wall-mount design saves valuable space and allows for additional storage and flexibility.
- Industry leading “Peace of Mind” 15-year limited warranty covers scale-related failures.
| UPC | 671657177218 |
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| ASIN | B008M39V6Q |
| Color | White |
| Voltage | 120 Volts |
| Capacity | 6.6 Gallons |
| Flow Rate | 6.6 Gallons Per Minute |
| Brand Name | A. O. Smith |
| Efficiency | 0.90 |
| Mount Type | Wall |
| Style Name | Indoor Natural Gas 140H |
| Heat Output | 120000 British Thermal Units |
| Is Electric | No |
| Item Weight | 52 Pounds |
| Manufacturer | A. O. Smith |
| Model Number | ATI-140H 100 |
| Power Source | Natural Gas |
| Material Type | Polyvinyl Chloride |
| Special Features | Condensing Ultra-Low Nox Technology, High Efficiency, 15-Year Warranty |
| Included Components | water heater |
| Maximum Temperature | 140 Degrees Fahrenheit |
| Item Dimensions W x H | 13.87"W x 22.87"H |
| Manufacturer Part Number | ATI-140H-N |
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