NV99.007 Water pressure regulator (1 to 4 Bar). Same as Saeco 0214.A02.00F. Use for espresso machines connected to city water line. Used in small espresso machines like Saeco Royal Coffee Bar and Grimac model La Nuova.
Descale espresso machines every two or three months. Royal Coffee Bar can be switched to pour over tank mode and descaled. Machines connected to water line should be disconnected and dip the flexible hose is a container with Best descaling solution (#DSC6x2) and 12 to 20 espresso only. The water for espresso is drawn directly (not from the boiler). Use the link for Best descaler http://www.shop.partsguru.com/DSC6x2-Best-Descaler-for-removing-Calcium-sediment-DSC6x2.htm
