The characteristic of Pre-heated solar water heater
1) Use the copper coil as the heat exchanger, according with international fashion trend,it is simple to install and use.
2) It takes the advantage of the tap water's pressure. more pressure, more comfortable.
3) It can produce hot water with constant temperature, it is safe and comfortable to use.
4) The water can be heated rapidly, so it can produce the high quality hot water.
5) It can produce more hot water than the general types because it isn't.