Low Nox 380,000 BTU Non-Condensing Tankless Commercial Water Heater

Designed specifically for heavy-duty commercial applications, A .O. Smith's ATIO-910 non-condensing, fully modulating, gas-fired tankless water heaters with sealed combustion (optional) and power vented flue can be installed either indoors or outdoors. ATIO-910 models are capable of supplying hot water for domestic hot water systems (directly or indirectly) and can be used with water storage tanks, recirculation systems, and/or combined domestic & heating applications. ATIO-910 uses up to 380,000 BTU/h of gas to deliver a max flow rate of 14.5 GPM (Category III required). A. O. Smith offers the largest commercial product selection available, including the most specified commercial unit in the U.S. We offer more than 500 different commercial models, including gas fired, oil-fired and electric configurations, ranging in capacities from 5 to 10,000 gallons, with input range from 50,000 BTU to the equivalent of 4,000,000 BTU. Our comprehensive line is the natural fit for spec jobs requiring everything from the smallest commercial installation up to the largest multi-structure complex.