Bizhala GMX600F O-Ring Replacement for Hayward Pro Series Sand Filters (2-Pack)

Refresh Your Hayward Pro Series Sand Filter with Bizhala GMX600F O-Ring

Keep your pool filtration performing at its best with the Bizhala GMX600F O-Ring replacement. This practical 2-pack is designed to work with a broad range of Hayward Pro Series and GM sand filters, offering a dependable seal that helps maintain steady flow and filtration efficiency. Instead of waiting for leaks, you can proactively refresh the seal and restore confidence in your system’s operation. The GMX600F is engineered to fit snugly in standard grooves, giving you a straightforward upgrade that aligns with common Hayward configurations.

Beyond a simple seal, this O-Ring pair supports consistent pressure and smooth cycling through filtration cycles. Real-world pool usage—seasonal shifts, high-volume filtration, or variable water quality—can stress seals over time. Replacing O-Rings is a practical maintenance step that helps keep your filter and pump working as designed, without making promises about outcomes. The result can feel like a small upgrade: tighter seals, fewer drips, and a more predictable filtration rhythm during swimming season.

Key specifications

• Outer diameter: 7-1/8 in
• Inner diameter: 6-3/4 in
• Cross-section: 3/16 in
• Includes: 2 O-Rings

Compatibility you can rely on

The GMX600F is crafted to fit a wide array of Hayward Pro Series sand filters and GM series units, including various S-series models and multiple GM variants. It’s also compatible with the Hayward SP071620T multiport valve. Always verify the O-Ring size and your model before purchase to ensure a proper fit and seal.

Easy installation steps

1. Power off the system and remove the old O-Ring from the groove.
2. Clean the groove to remove debris and any remaining lubricant.
3. Lightly lubricate the new O-Ring with a silicone-based lubricant designed for pools.
4. Insert the O-Ring into the groove and reassemble the housing, ensuring a snug seating.

Maintenance guidance and reminders

• replacen every 3–4 months depending on usage, water conditions, and temperature fluctuations.
• Inspect for cracks, flattening, or signs of wear before each season.
• Keep grooves clear of sharp edges or debris that could wear the seal.

Note: If you’re unsure about fit, double-check the model and dimensions for your Hayward filter. This 2-pack is designed to support routine maintenance and reduce the risk of leaks between the filter and valve, helping maintain smooth operation over time.