... wait,no waste,no limit 4.20 days delivery UL Standard Mechanical Instant Mini Water Heater -- XFJ-KHXFJ-KH seriesUL ... standard ElectricTankless Water Heater CB,CE,RoSH,UL240V, 8kw,10kw,12kw, ... isolation protection.* Built-in pressure relief valve to prevent explosionTechnical Data UL Standard Mechanical Instant Mini Water Heater -- XFJ-KH