Series Two™ tankless electric water heaters deliver endless hot water. Models range from 15kW up to 23kW for applications with a hot water demand under 4.0 GPM. Models with the “TC” suffix have a maximum flow rate of 3.0 GPM and feature staged heating modules. Models with the “T2” suffix have a maximum flow rate of 4.0 GPM and feature parallel heating modules. Series Two unit options are available for applications that require a factory-set temperature and also for eyewash station, multiple lavatory and sanitation applications.