How to clean the water heater to clean the scale?

The water heater can clean the scale as follows:

1, the water heater is cut off. Before cleaning the water heater, please unplug the water heater, unscrew the hot and cold water valves of the water heater and close all valves. Clean the water heater. Don't heat the water in the water heater the night before cleaning.

2. Water from the water heater

Open the pressure relief valve of the water heater slightly, remove the cover of the water heater's sewage outlet, and pull out the magnesium rod at the water heater's sewage outlet with a tool, so that the stored water in the water heater will flow out along the sewage outlet. When the water stored in the water heater is discharged, a bucket can be placed under the sewage outlet to receive the water.

3, water heater liner cleaning

First, open the cold water valve of the water heater, and the cold water pipe will inject water into the water heater to flush the water tank. After the water in the sewage outlet becomes clear, close the cold water valve, and inject the water heater cleaning agent from the water inlet into the water tank of the water heater through a special syringe. The cover of the sewage outlet should be tightened. Open the cold water valve and fill the water heater with water. After standing for a period of time, make the cleaning agent fully contact with the scale. Take out the syringe from the sewage outlet of the water heater and drain the water in the water heater. Finally, open the cold water valve and clean the water heater.

4. Clean the heating rod and magnesium rod

Remove the side cover of the water heater. Pull off the wire connector connected to the heating rod. Lever out the iron block on the heating rod with a retractor, and then take out the heating rod. Remove the heating rod and magnesium rod, put them into clean water, and brush them with tools such as brushes. If the magnesium rod is seriously corroded, it can be replaced with a new one. After cleaning, replace the heating rod and magnesium rod.