1, the color is not right.
The inner side of the pipe wall of the diversity water collector is yellow, green, red rust, and black. This is due to the long-term precipitation and adhesion of calcium and magnesium ions and biological slime to the inner side of the tube wall.
2, room temperature low
The indoor temperature is decreasing year by year. This is because the sticky dirt inside the tube prevents the transmission of temperature.
3. Traffic is small.
The water consumption of the ground heating pipe is less than that of previous years. This is the biological mud inside the tube too much plate, resulting in local narrowing, no longer wash easily cause pipeline embolism can not be used.\
4. Slow flow.
Pipes are drained one by one, and some pipes are slow or even running. This is due to narrowing or embolization of the pipeline.
5, unwashed for many years
The 3 heating season has not been cleaned, usually 2-3 heating periods to clean once.
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