Designed to provide endless hot water supply, the Tronic series from Bosch includes the 3000 and 5000 electric tankless water heater lines, offering up to 99 percent and 97 percent efficiency, according to the company. Available in five compact models, the under-skin designed 3000 series features a water flow pattern inside the unit, combined with copper-sheathed heating elements to produce hot water on demand with minimal stand-by loss, according to the company. With its compact, mount virtually anywhere design, the Tronic 5000 series can power through hot water production in most climates.
It features pulse-modulating elements that ensure constant temperature output for improved control and performance, according to the company. All Tronic units come standard with a limited 10-year residential warranty and a two-year commercial limited warranty.