50L Vertical Double Mechanical Knob Water Heater

50L Vertical Double Mechanical Knob Water Heater. The water storage tank is guaranteed for three years. It is equipped with stylish and beautiful housing, available in both metal and ABS plastic shells. Customized shell materials and appearances are supported. Enamel heating element: It uses high-quality heating elements with seamless welding technology, which can more effectively prevent gap corrosion and extend the service life. The inner liner is coated with enamel: The water heater storage tank is a pressure vessel, made of high manganese steel material with thickening treatment, and welded with electrostatic dry powder pla. Thermal insulation performance: The ultra-thick insulation layer and ultra-fine pore foaming technology (without chlorofluorocarbons, polyurethane foam) ensure energy saving. Multiple safety protections: Dry burn prevention protection, overpressure safety valve. The inlet and outlet ports are coated with enamel.