Many electric water heater will slow down its heating efficiency after several years, the heating speed will become slower and slower.In the begining ,it just take half hour but now it will take 2 hours.So what factors cause this?
1. Excessive water scale stick in the heating element.
If the electric water heater is used for long time, there will be a lot of scale in it, then the heating speed will become slower and slower. In this case , you can clean the storage electric water heater. Cleaning it by yourself may be a little troublesome, it is recommended to contact professionals to clean.
2. The thermostat is damaged
When the temperature controller of the hot water heater is damaged, the heating speed will be slow and can not reach the temperature we want. In this case, it can only be solved by replacing a new thermostat.
3. The electric water heater temperature is set too low
In the process of using a storage water heater, we may accidentally press the temperature adjustment button and set a relatively low temperature, so the temperature cannot reach the temperature we want. Simply reset the high temperature to solve the problem.































