| 摘要 |
A compact solar heater has a one-piece body having a tank part and a coil part, with an entrance of the coil part for a cold water connected to the tank part and an exit of the coil part for hot water connected to the tank part, a solar ray resistant and transparent element arranged above a coil in the coil part to provide an internal space between the transparent element and the coil which acts as a greenhouse, wherein the transparent element has accommodation edges which are plane and coplanar with each other and with a remaining portion of the transparent element, and a flow control assembly is arranged in a passing hole in a side of the tank part and operative for monitoring a water level contained in the tank part and for controlling a water flow circulating in the heater as a whole, to automatically ensure a replacement of cold water at the entrance of the coil part as an exit of hot water from the tank is open. |
