The ERCU Pro is compactly built into an attractive 80 x 80 x 25 cm metal cabinet. The cabinet is equipped with various connection options. In the well is a floating suction with a dirt basket and a sensor with a standard 20m cable. The ERCU Pro features a potable water refill system in the form of a reservoir. This reservoir ensures continuous operation of the rainwater management system through direct connection to the water supply system. The ERCU Pro is Belgaqua approved

The ERCU Pro consists of:
- one multi-impeller low-noise ESPA pump type Aspri 15-3 pump control
- one floating suction with dirt basket
- one cord wrap-around dirt filter (removes tiny dirt particles)
- one activated carbon filter (removes odor - -and taste substances)
- one two-way electrovalve (switches to tap water or ground water at low level)
- one potable water refill system
- float with 20 meter cable
- wrench to change filters