Grid Controls PVC Union [1-1/2" Spg/2" S x 1-1/2" Spg/2" S] (3055) fuses A control pack like this

A control pack like this often improves more than one part of the spa experience at once because it sits at the center of daily function

Helps support secure cartridge-related installation

This replacement is especially useful when the original switch has become inconsistent

Replacing the part with the proper Waterway component can help restore the fit and security expected in the filter system

Grid Controls PVC Union [1-1/2" Spg/2" S x 1-1/2" Spg/2" S] (3055) fuses A control pack like thisA PVC union helps connect compatible plumbing sections while preserving the option for future separation, and this Grid Controls version uses a combination 1 1 2 inch spigot or 2 inch slip connection on both sides with the 3055 reference. This dual size style is useful when plumbing layouts need flexibility in how the fitting is integrated. The convertible connection format gives this union its own practical value because it can work within more than