Frequently Asked Questions

How do I clean the WISY filter insert the easiest?

After prolonged use, a biofilm can form on the filter mesh. It can be easily removed with one of the following measures: Cleaning in the dishwasher: Cleaning in the dishwasher is very effective. First, remove the deposits on the stainless steel mesh with a brush, warm water and some detergent. ...

Why does my pump switch on and off all the time?

Constantly switching pump: If the pump of your rainwater system starts and stops at very short intervals, the cause may be a leak in the connected piping system. For example, a running toilet flush, a dripping tap or a leaking lawn sprinkler. In this case, the pump controller registers the ...