... approved 2.No wait, no waste, no limit 3.Durable Hot water heater/Instant hot water heater/instant water heater detail:1.Key Features:1) Safe, convenient, energy saving ... friendly tankless water heater.2) Patent advanced heating technology.3) On-demand hot water - never runs out.4) Reduce water heating costs by ... ' FCL: 2,464pcs Qty/40' HQ: 2,800pcs Electric instant hot water heater DSK-G