Pentair Compool PacFab 2 & 3-Way Valve 1/4-20 x 3/4" Screw (520389) terminals When an existing air control

When an existing air control becomes stiff

this Hayward true union ball valve is a practical replacement when the original 1 inch shutoff valve needs renewal

Replacing cracked

Useful when substantial additional panel reach is required

Pentair Compool PacFab 2 & 3-Way Valve 1/4-20 x 3/4" Screw (520389) terminals When an existing air controlThis 1 4 20 x 3 4 inch screw is used with compatible Compool PacFab 2 way and 3 way valve assemblies where secure fastening is required. It is a small but important replacement part for valve service, especially when original screws are stripped, corroded, missing, or no longer tightening correctly. Using the correct hardware helps maintain even pressure on the valve cover or related component and reduces the chance of leaks caused by improper