AQUAPAY coin-operated controller for chargeable water delivery for controlling 2 - 31 A3000 open shower fittings. Display for user guide and showing free showers, selectable via key. Shower duration for one coin is selectable in steps of one second up to a total of 8 minutes, preset to 3 minutes. Automatic interruption of shower-duration when water is not being withdrawn. Rugged stainless steel housing for on-wall mounting with safety lock. Model for coins EURO 0.50, 24 V DC.