AQUATIMER - A3000 open combined shower fitting unit DN 15 for concealed mounting, with electronic time control and facility for chargeable water delivery with AQUAPAY coin-operated controllers and for externally controlling the options such as fitting settings and communication via ECC function controller. For connection to pre-mixed warm water or cold water. Adjustable flow duration, down to the second. Combined unit with waterproof electronic module, piezo switch with start/stop function for i