Spider Gasket Praher 50mm Davey Hurlcon Waterco Poolrite

Restore reliable, leak-free performance to your 50mm multiport valve with the Aussie Gold Generic Spider Gasket Praher 50mm. Crafted to mirror the original Praher spider gasket design, this replacement fits seamlessly into 50mm valve bodies and is compatible with a range of trusted pool brands—including Davey, Hurlcon, Waterco, and Poolrite—so you can service multiple systems with a single, dependable part.

• Precise 50mm fit — designed for 50mm port sizing on multiport valves, ensuring a tight seal and consistent operation.
• Direct replacement for key models — suitable for s9000 mk4 PGV67 configurations and ideal for 8" neck SM and TM valves spanning model lines 700, 750, 800, and 900.
• Cross-brand compatibility — engineered to work across popular brands: Praher, Davey, Hurlcon, Waterco, and Poolrite, simplifying maintenance and stocking.

Why this spider gasket matters

The spider gasket is the heart of a secure seal in multiport valves. This Praher 50mm version uses the proven spider design to distribute compression evenly around the valve seat, reducing the risk of leaks during backwash, rinse, or recirculation cycles. By maintaining a dependable seal, it helps preserve pressure, improves valve longevity, and minimizes downtime caused by gasket failure.

How to use and install

1. Depressurize the pool system and shut off the pump.
2. Remove the valve handle and carefully disassemble the multiport valve housing to access the gasket seat.
3. Take out the old gasket, clean the seating surface, and inspect for any nicks or debris.
4. Align the new Spider Gasket Praher 50mm with the valve port, ensuring any alignment notches match the seat.
5. Reassemble the valve housing, reattach the handle, and restore flow.
6. Slowly pressurize the system and check for leaks around the gasket area during backwash and normal operation.

Ideal for who and when to use

This gasket is a practical choice for pool service technicians and dedicated DIY pool owners who maintain 50mm multiport valve systems across the brands listed. It’s particularly useful during routine valve maintenance, backwash valve repairs, or when you’re upgrading from aging or degraded gaskets that begin to leak or slip under pressure.

Key benefits and practical outcomes

• Extended valve life through a reliable, brand‑level compatible seal.
• Minimized downtime with a straightforward, repeatable replacement process.
• Greater peace of mind for backwash and filtration cycles, thanks to a robust 50mm gasket fit.
• One replacement part covers multiple popular valve configurations (SM/TM 700–900) and brands, simplifying inventory and repairs.

Whether you're refreshing an aging valve, performing routine maintenance, or stocking parts for a service call, the Spider Gasket Praher 50mm delivers precise fit, dependable sealing, and cross-brand compatibility to keep your pool system running smoothly.