... , kitchen, etc.There are dozens kinds of water tanks. , be vertical type, horizon type, stainless steel, painting (golden, silver, white, ... capacity from 80L to 500L.Water circulation heat pump heater (Built-in circulation pump) the host and the water tank are ... etc.Built-in high-efficiency heat exchanger and water circulating pump in the host.Automatic defrost, power failure memory, multi-system ...