Waterco Hydro Pak Skimmer Control Plate Plug w/String (51B1018) floatingfeeders Matching the correct compatible collar

Matching the correct compatible collar helps preserve intended fit and supports cleaner skimmer service results

A circuit board like this INF107 VS501Z replacement matters because it restores the control behavior the spa was originally built around

1-1/2 inch female pipe thread x 1-1/2 inch slip connection

This model is especially useful in installations where the plumbing layout calls for one slip connection and one spigot connection

Ideal for larger plumbing setups

Waterco Hydro Pak Skimmer Control Plate Plug w/String (51B1018) floatingfeeders Matching the correct compatible collarThe Waterco Hydro Pak skimmer control plate plug with string is designed for compatible skimmer applications where the plug section of the control plate needs replacement. A plug like this is useful because it helps close or regulate the related opening while the attached string adds convenience for handling and retrieval during service. This replacement is especially useful when the original plug is missing, damaged, worn, or no longer fitting