AO Smith ATO-510U-N Outdoor Nat. / LP Gas Ultra-Low NOx Tankless Water Heater
199,000 BTU Non-Condensing tankless water heater for heavy residential or light commercial use.
The ATO-510U 200+ for outdoor installation is perfect for heavy residential applications such as domestic recirculation systems or space heating, as well as commercial applications like small beauty salons and restaurants.
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
• Recess Box (for outdoor models)