Description
1.Please use the heater in the water,when it is exposed in the air,the after-heat may cause damage to the heater or finally make it broken. 2.After you have cut the power,please wait at least 20mins until you can put it out. 3.Do not use the heater in corrosive environment. 4.The heater can be set inside the tank vertically and horizontally,but please put all the heater inside the water. 5.It only starts heating when it has gone 2 degrees below the set temperature(For example,if you want to get




