[. . . ] [. . . ] Compact, point-of-use tankless heater 99% efficient with zero stand-by loss Solid copper heat exchanger and copper-sheathed heating elements Most models are equipped with high/low kW settings Thermal cut-out protects elements from dry fire damage Units can be mounted in any direction (except RP12PT) Available in 6 models to accommodate a wide range of applications 5-Year warranty [. . . ] [. . . ]