Specifications: s2000, a basic and compact design with options of 1.5kw, 2.5kw and 3kw intantaneous water heater for showering. Built-in safety features: one thermostat and one thermal cut-out set at 553c auto pressure relief valve pressure operated flow switch pressure range: min 1bar (running) max 10bar (static) simple to use single onoff and temperature & flow control knob with finger grip for ease of use. Approved & registered for safety & quality system, meeting the safety requirements of en.60335-2-35 standard, certified by nemko.