Pentair Compool PacFab 2 & 3-Way Valve 1/4-20 x 3/4" Screw (520389) delozone or inaccurate water-condition readings

or inaccurate water-condition readings

Match existing fitting size and configuration before purchase

Mushroom-style air buttons are useful because they provide a broad

reliable seal

and 9350 cleaners

Pentair Compool PacFab 2 & 3-Way Valve 1/4-20 x 3/4" Screw (520389) delozone or inaccurate water-condition readingsThis 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