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190,000 BTU ATI-310 Non-Condensing Ultra-Low NOx Indoor Tankless Water Heater (NG/LP)
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MANUALS (3)
Product Highlights
Description
The 310U Series is great for two bath homes in cold climates. The 310U features a max flow rate of 8.0 gallons per minute providing enough hot water to run three showers at the same time. The design allows for a variety of installation options. Complies with Ultra-Low NOx regulations and meets energy efficiency requirements of ASHRAE 90.1b-1992. The ATI-310U tankless water heater uses up to 190,000 BTU/h of natural gas/liquid propane to deliver an endless supply of hot water for a 2.5 bath home in northern climates and up to a 3.5 bath home in southern climates (one shower head per bath). The ATI-310U has a Uniform Energy Factor of 0.81. With an industry leading 15-year limited warranty, the ATI-310U tankless water heater provides years of hot water through innovation and quality. 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.
- Continuous flow rate up to 8.0 GPM
- Wall-mount design saves valuable space and allows for additional storage and flexibility
- Commercial-grade copper heat exchanger is 25x better than stainless steel at heat transfer, stabilizing outgoing water temperatures quicker
- Easily convertible from natural gas to propane with supplied kit
- Highly efficient condensing Ultra-Low Nox tankless water heater delivers up to .81 Uniform Energy Factor (UEF)
- Vents up to 60 feet using 4" Category III Stainless Steel
- Includes integrated temperature controls and advanced diagnostics to simplify troubleshooting
- Safety features include built-in freeze protection, overheat cut-off fuse and air-fuel ratio (AFR) sensor
- 15-year limited warranty on heat exchanger in residential applications
Specs
| Product Type: | Tankless Heater |
|---|---|
| Fuel Type: | Natural Gas Propane |
| Inlet Gas Pressure: | 4.0-10.5"W.C |
| Installation Type: | Indoor Only |
| Gas Connection: | 3/4" |
| Water Connection: | 3/4" |
| Gas Input: | 15000 to 190000 BTU/h |
| Voltage: | 120v |
| Energy Factor: | 0.82 |
| Max Flow (GPM): | 8 |
| Width (Inches): | 13-3/4" |
| Depth (Inches): | 10" |
| Weight (lbs): | 38 lbs |
| Height (Inches): | 20.5" |
| BTU (Max): | 190000 |
| BTU (Min): | 15000 |
| Type: | Non-Condensing |
| Application: | Residential |
| Vent Type: | Direct Vent |
| Includes: | Gas Conversion Kit |
| Flow Rate at 40F Temp Rise (GPM): | 7.9 |
| Flow Rate at 50F Temp Rise (GPM): | 6.2 |
| Flow Rate at 60F Temp Rise (GPM): | 5.3 |
| Flow Rate at 70F Temp Rise (GPM): | 4.5 |
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