recommend use of standard instantaneous gas boilers or suitable size
storage water heaters (at least 100 liters for two stations). Water
temperature may be adjusted at the source with a thermostat.
normally closed 24 Volts electrovalve operated by the coin box or the
rechargeable key (or card) opens and closes the water circuit.
electrovalve (normally closed 24 V)
recommend use of a "clip-type" shower-head to quickly stop water
delivery in case of need.
Examples of "clip-type" shower-head