This creation system provides a kind of cold-proof water heater of Yu Ponds, and main system by constituting relatively comprising seat, an electric heater, a temperature display lamp, a coolant-temperature gage automatic controller, two buoyancy tanks and a heating unit in one； Thereby innovate unique design, immerse the heating unit of the temperature control device of this creation under the water surface of Yang Zhi Yu Ponds, and enable the buoyancy tank system that the heating unit is supported to float on the surface, reach accordingly can any floating displacement to the region fish Ponds for being intended to heat use, enable each region water temperature of fish Ponds person that is able to samming.本創作係提供一種魚塭防寒溫水器，主要係藉由包含一中座、一電熱器、一溫度顯示燈、一水溫度自動控制器、兩浮箱及一加熱單元所相對構成；藉此創新獨特設計，使本創作之該溫控裝置之加熱單元浸入養殖魚塭之水面底下，且令該浮箱係支持該加熱單元浮在水面上，據以達到可任意浮動位移至所欲加熱之魚塭區域使用，令魚塭各區域水溫得以均溫者。
