Pentair Compool PacFab 2 & 3-Way Valve 1/4-20 x 3/4" Screw (520389) delozone or matching existing Waterway plumbing

or matching existing Waterway plumbing and trim styles during service work

Match existing fitting size and configuration before purchase

This replacement is especially useful when the original breaker has tripped repeatedly

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

or inaccurate water-condition readings

Pentair Compool PacFab 2 & 3-Way Valve 1/4-20 x 3/4" Screw (520389) delozone or matching existing Waterway plumbingThis 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