Features:

·   Tank-within-a-tank design - corrugated stainless steel inner tank; steel outer tank

·   Negligible stand-by loss - less than 1/2°F per hour

·   Zone control - controllers for Circulator and Zone Valve Systems

·   More Hot Water - Weil-McLain indirect-fired heaters produce twice the peak flow of a tank less coil; at least 50% more than a comparably sized direct-fired gas water heater; three times as much as an electric unit, Unique self-cleaning design resists liming

·   Less maintenance – no additional burners to maintain, Easy to size, easy to install

·   Low pressure drop – maximum performance from standard pump