Description
Pentair Union Diamond Seal 178746Z O Ring
Intro
Introducing the Pentair Union Diamond Seal 178746Z O Ring, a precision gasket engineered to restore a tight, leak-free connection in your pool filtration system. Sized for Pentair Clean & Clear RP filters and Sta-Rite RP configurations, this O Ring protects pump seals, maintains steady water flow, and helps keep your pool water crystal clear with minimal downtime.
List of Features
- Exact fit for Pentair unions — delivers leak-proof, drip-free seals at every connection.
- Diamond-seal design — a durable, chemical-resistant gasket that withstands chlorine and UV exposure.
- RP system compatibility — compatible with Clean & Clear RP and Sta-Rite RP setups for fast, hassle-free replacements.
- Tool-free installation — drops into the groove quickly, swapping out in minutes.
- Long-lasting performance — resilient under pool chemicals and temperature swings, reducing maintenance.
- Air ingress reduction — minimizes leaks that can compromise pump seals and efficiency.
Final Thoughts
Small but essential, this O Ring protects pump seals, preserves system pressure, and helps maintain water clarity by preventing leaks. For reliable, low-downtime filtration, keep a Pentair Union Diamond Seal 178746Z on hand and replace at signs of wear. Add to cart now to safeguard your pool’s performance.











