... Type: Ultra-thin two-liner 3.Temperature control: Mechanical digital Electric water heater:1, high-quality enamel interior, pressure, corrosion resistance, uprising, long ... *590Wall MountedElectric water heater core technologyEnameled inner tank: material- Aluminum and Titanium alloy, antiseptic and durable. Heating technology : Superimposed high efficient electric heater technology High ...