This part is required for installing some espresso machines, such as La Marzocco (Marzocco part #L032/P.01), and is placed in-line on the outward flow water fitting from a rotary vane pump. Also referred to as a "check" valve. For use in-line in the hydraulics of CMA equipment (Astoria, Bravo, Formula, Rio and Wega), use part W_225, or AS_232
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.