Description
Pentair Washer 072173 Five Sixteenths Stainless Steel
Intro
Meet the Pentair Washer 072173, a compact OEM-grade 5/16" stainless steel washer engineered for reliable, leak-free operation in Pentair pool systems. Positioned between seals in the Star, Nautilus, and Challenger lines, this washer delivers consistent compression under high flow while resisting chlorine, bromine, and saltwater. With exact thickness and edge geometry, it seats precisely with seals and housings across Pentair filter-pump assemblies for long-lasting performance.
List of Features
- Exact OEM-fit thickness — 5/16" ensures precise seating with seals and housings in Pentair filter-pump assemblies.
- 316 stainless steel construction — exceptional corrosion resistance against chlorine, bromine, and saltwater for longer service life.
- High-flow, high-pressure performance — maintains seal integrity during demanding pump operation.
- Cross-line compatibility — fits Star, Nautilus, and Challenger pumps, providing a single replacement for multiple lines.
- Easy inspection and replacement — simplifies routine service and minimizes downtime.
- Precision edge geometry — enhances seating reliability and reduces leak risk under varying loads.
Final Thoughts
With the Pentair Washer 072173 installed, you gain dependable, leak-free sealing across your Pentair system, backed by corrosion resistance and OEM precision. This small, maintenance-ready part helps protect pump performance across seasons and Chemistries. Ready for routine service or seasonal overhauls, this washer is a smart, long-term upgrade—add to cart now for consistent, trouble-free pool operation.











