For the highest quality water, the non-copper waterways of this instant hot water tank make it ideally suited for reverse osmosis applications very low in total dissolved solids (TDS). In addition, the hot water maker may be used for many other household tasks, such as a baby hot water dispenser for food & bottles or cleaning pots & pans. For added safety, an automated heater protection thermal fuse protects the dispenser in the event of a dry start up.5-quart stainless steel dispenser tank comes with a 120-volt 1300-watt stainless steel heating element for efficient heating and consistent temperature control that’s both durable and reliable.