A minor renovation of the water system in an apartment building on Warsaw's right-hand side reveals an old truth about the quality of drinking water in the capital. Its quality depends on the cleanliness of the municipal network. This was unknown to the average user until a steel pipe that had been in service for about 20 years was cut. The galvanized pipe has now been replaced with a stainless steel one.
In such a situation, it is necessary to use mechanical filters with automatic reverse flushing. The entire set looks like this:
