AO Smith ATI-310U-N Indoor Nat.Gas / LP Ultra-Low NOx Tankless Heater
190,000 BTU tankless gas water heater for homes with up to 3 bathrooms.
The ATI-310U for indoor installation is A. O. Smith's most popular and versatile tankless model. It features a maximum flow rate of 8 GPM, providing enough hot water for three showers in warm climates, or up to two showers in colder climates at the same time.
New, Improved Features
• Heat-resistant copper heat exchanger tubing
• Set up for natural gas from factory, but field convertible from NG to LP with included gas conversion kit
• Horizontal, through-wall or vertical stainless steel venting kit