Pentair American Products/PacFab Barrel Nut & Spring Assembly (53108900Z) lochinvar When the original control becomes

When the original control becomes worn

k300 topside panel is designed for compatible spa control applications where a compact user interface is needed for two-output operation

This version is especially useful when the installation benefits from the included union configuration rather than requiring separate connection parts

Universal low flow design

Pentair American Products/PacFab Barrel Nut & Spring Assembly (53108900Z) lochinvar When the original control becomesThe Pentair American Products PacFab Barrel Nut & Spring Assembly (53108900Z) is a replacement filter component for compatible pool and spa filtration equipment. Barrel nut and spring assemblies are small but important parts used in specific filter configurations to support proper fastening, tension, or serviceable connection points. When the original assembly is damaged, missing, corroded, or no longer functioning as intended, replacement can help