What happens if the protective filter is not regularly maintained?

There are basically two types of drinking water protection filters: cartridge filters and backwash filters. In the case of cartridge filters, as the name suggests, the filter insert must be replaced regularly. Backwash protective filters, on the other hand, are cleaned by reversing the water flow.

EN 806-5 regulates the frequency of inspection and maintenance under Appendix A, Table A 1: An interval of six months applies to backwashable and non-backwashable filters from 80 μm to 150 μm. Depending on the contamination of the drinking water with particles, the intervals can also be shortened.

Heavily contaminated filter screens promote the growth of microorganisms. These germs may enter the drinking water installation in an uncontrolled manner. In addition, clogged filters can cause significant pressure losses, so that higher taps are no longer properly supplied.

It is therefore extremely important to check the drinking water protective filter with the necessary regularity. And, if necessary, at least every six months, rinse or change the filter screen.

An automatic backwash protective filter is recommended in apartment buildings. It flushes itself regularly – and thus ensures that no cleaning is forgotten. The manual protective filters of the JUDO PREMIUM- and PERFORMANCE-LINE up to connection size 2″ have the JUDO call function as standard, which reminds the operator of due backwashes via app.

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