Pentair Compool PacFab 2 & 3-Way Valve 1/4-20 x 3/4" Screw (520389)
| Nuts Bolts & Screws | |
| Pentair/PacFab | |
| 520389 | |
| 27-110-1149 |
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This 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 assembly.
- Fits select Compool and PacFab 2-way/3-way valve applications
- 1/4-20 x 3/4 inch replacement screw
- Useful for valve service and rebuilds
- Helps secure valve components with proper hardware
It is helpful to keep on hand for maintenance teams working on older automated or manual pool plumbing valves. Match thread, length, and part number 520389.
Pentair / PacFab – Pool Filters, Pumps, Heaters and PacFab Replacement Parts |
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Who is Pentair / PacFab?
Pentair / PacFab refers to Pentair’s legacy PacFab (Pacific Fabrication) product line, which includes some of the most widely used pool filters, pumps, and equipment in the industry. PacFab systems remain common in existing residential and commercial pools, and Pentair continues to support these products with compatible replacement parts and upgraded solutions. What products does Pentair / PacFab specialize in?Pentair / PacFab specializes in pool filters, pumps, heaters, and replacement components. Their product lineup includes well-known systems such as Clean & Clear® cartridge filters, FNS Plus® DE filters, and high-performance pool pumps. These systems are designed to maintain water clarity, improve circulation, and ensure efficient pool operation. Why choose Pentair / PacFab parts for your pool or spa?Pentair / PacFab products are known for durability, performance, and long service life. Many PacFab systems have been in operation for years, making reliable replacement parts essential for ongoing maintenance. Pool professionals and homeowners choose Pentair for trusted compatibility, ensuring older systems continue to run efficiently without requiring full equipment replacement. How do you identify and choose the correct Pentair / PacFab part?To select the correct Pentair / PacFab component, it’s important to identify your existing system model and match part numbers for filters, grids, cartridges, or pump components. Many PacFab products require cross-referencing with current Pentair equivalents. Choosing the right part ensures proper fit, restores performance, and extends equipment life. Need help finding the right Pentair / PacFab part?At Bath & Spa Parts Online, we carry a wide selection of Pentair / PacFab pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support. |
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