The Cla-Val 9170002B 3/8-inch CRD Repair Kit is a replacement component set designed to restore the performance of Cla-Val CRD control devices. It includes essential parts that help maintain proper pressure regulation and reliable valve operation. Commonly used in HVAC water systems, cooling towers, chilled-water circuits, and hydronic applications, the kit supports accurate flow and ... https://www.partshnc.com/9170002b-cla-val-38-crd-repair-kit