... delivery UL Standard Mechanical Instant Mini Water Heater -- XFJ-KHXFJ-KH seriesUL standard ElectricTankless Water Heater CB,CE,RoSH,UL240V, 8kw,10kw ... *70mm 2. Features: 1) On-demand hot water - never runs out 2) Reduce water heatingcosts by as much as 50% 3) ... proof casing, stainless steel heating element* Unlimited supply of hot water, heater is installed at point of use* Easy installation, compact ...