COMPLETE SERVICE KIT - Bundle includes genuine Clack V3193 Service Wrench and V3005-02 Seal Stack Spacer Assembly for comprehensive maintenance 100% AUTHENTIC OEM PARTS - Factory-original components ensure perfect fit and reliable performance for your WS1 valve body. ESSENTIAL TOOL - This service wrench is required for maintenance or repair on the WS1 valve body. Anyone, professional or home owner, cannot service the softener without this tool. ESSENTIAL COMPONENTS - Includes the crucial Seal Stack Spacer Assembly for optimal system operation and maintenance. BUILT FOR DURABILITY - Better Home Water Treatment uses premium-quality materials and precise engineering guarantee long-lasting performance.