Hayward Pro-Grid Clamp Ring Bolt Kit (DEX2421J2) insiders and R185B heater applications where

and R185B heater applications where the supported operating-condition switch needs replacement

this gate valve helps support dependable flow isolation and cleaner long-term plumbing service

this topside panel helps support dependable function access and contributes to smoother everyday spa operation

It is especially helpful when the previous valve is leaking

Preserves model-specific replacement fit

Hayward Pro-Grid Clamp Ring Bolt Kit (DEX2421J2) insiders and R185B heater applications whereThe Hayward clamp ring bolt kit is designed for compatible Pro Grid filter applications where the clamp hardware needs replacement. A kit like this is useful because it helps maintain the secure connection between major filter body components, supporting cleaner assembly integrity and safer service results. This replacement is especially useful when the original bolts are corroded, stripped, bent, or missing. Replacing them with the proper hardware