The Component Hardware Group KL50Y006 Cold Stem Assembly helps regulate cold water flow in compatible faucet systems, supporting proper operation and everyday usability. Designed as a replacement plumbing component, it controls the opening and closing of the cold water passage when the faucet handle is turned. This mechanism allows users to adjust or stop the water supply as needed. R... https://partsfe.ca/kl50y006-cold-spindle-assembly-w-check-valve