EV221BW 10, 14, 20 and 22 is a direct servo operated 2/2-way solenoid valve. This valve type is designed with EPDM seal, lead free dezincification resistant Eco brass for drinking water applications. For water supply, houses and large apartments, kitchens and bathrooms, commercial buildings, industrial buildings, zoning, laundry, dishwashing, main intel valve, dosing machines, food processing