Lochinvar & A.O. Smith ATI-540HX3N Tankless Water Heater 15MBH-199MBH

The Lochinvar & A.O. Smith ATI-540HX3N Tankless Water Heater is a condensing part of a high efficiency, designed to offer hot water on demand for residential and commercial use. It uses natural gas or propane to heat water directly as it passes through the unit, no need for a tank. This model with heat output ranging from 15MBH-199MBH is suitable for use with different HVAC systems such as heating and domestic hot water. Advantages are constant hot water provision, small size, and higher efficiency than conventional tank-style water heaters, lower expenses of utilities.