Aladdin O-429 Hayward Filter Tank O-Ring | DEX2400K

The Aladdin Hayward Style Replacement Filter Tank O-Ring O-429 is an aftermarket sealing gasket designed to replace the original Hayward DEX2400K tank O-ring used on select DE pool filters. This precision-molded elastomer O-ring installs at the filter tank clamp joint to create a watertight seal that helps prevent leaks and air intrusion during operation. Engineered for repeated compression, it withstands exposure to pool chemicals and routine filter servicing without premature flattening or cracking. The O-429 is commonly used on Hayward Pro-Grid, Micro-Clear, SwimClear, and Super Star Clear DE filter models that require the DEX2400K seal size. Replacing a worn tank O-ring helps restore proper filter sealing and maintain consistent filtration performance.

Highlights

• Replaces Hayward DEX2400K O-Ring: Designed as a direct-fit replacement for the original O-429 tank seal used on compatible Hayward DE filters.

• Durable Elastomer Construction: Molded from resilient rubber material that resists pool chemicals, pressure, and repeated compression cycles.

• Watertight Tank Seal: Helps prevent water leaks and air draw at the filter tank clamp joint for proper filtration operation.

• Service-Friendly Replacement: Installs easily during routine filter maintenance or tank rebuilds with light lubrication.

• Compatible DE Filter Models: Used on Hayward Pro-Grid, Micro-Clear, SwimClear, and Super Star Clear filters requiring the O-429 seal.

Compatibility

• Hayward ProGrid DE Filters: DE2420, DE3620, DE4820, DE6020, DE7220
• Hayward SwimClear Filters
• Hayward Super StarClear Filters
• Hayward Micro-Clear DE Filters
  

Additional Info

The Aladdin Hayward Style Replacement Filter Tank O-Ring O-429 is a sealing gasket used to maintain a watertight joint between DE filter tank halves. This FAQ addresses compatibility, installation planning, and common service questions. It is intended to help confirm correct usage before replacing the seal.

Compatibility and System Fit

Tank O-rings must match the filter housing exactly to maintain pressure and prevent leaks. The O-429 is designed for specific Hayward systems.

Which DE filter systems use the O-429 O-ring?

The O-429 replaces the Hayward DEX2400K seal used on Pro-Grid, Micro-Clear, SwimClear, and Super Star Clear DE filters. These systems rely on a single large tank O-ring. Local service professionals often replace this seal during filter rebuilds.

Is the O-429 compatible with different filter sizes?

Compatibility depends on the tank clamp design rather than filter square footage alone. Many sizes within the same series share the same O-ring. Before calling your nearest location, confirming the filter model helps determine suitability.

Can the O-429 replace older Hayward tank seals?

Yes, the O-429 is commonly used when replacing aging DEX2400K-style O-rings. Matching the original specification is important. Checking nearby shop stock helps with service planning.

Installation and Service Planning

Replacing the tank O-ring helps prevent leaks and air intrusion. Planning the replacement avoids downtime.

How often should a DE filter tank O-ring be replaced?

Replacement frequency depends on chemical exposure and service intervals, but many seals are replaced every few years. Flattening or cracking indicates it is time to replace. Local service professionals inspect this seal during routine maintenance.

Does replacing the O-ring affect filter pressure?

A new O-ring restores proper sealing, which helps maintain stable pressure. Leaks can cause pressure fluctuations. Compare pricing across stores when planning filter maintenance parts.

Should the clamp be inspected when replacing the O-ring?

Yes, inspecting the clamp and mating surfaces helps ensure even compression. Damaged clamps can compromise sealing. Addressing both components reduces repeat issues.

Local Pricing and Availability

Knowing availability helps coordinate service efficiently. Local access supports faster repairs.

Is the Aladdin O-429 available from nearby shop stock?

Availability varies by location, so checking nearby shop stock ahead of time is recommended. Having the part reference ready speeds up confirmation. This helps avoid delays.

Do service professionals commonly stock this O-ring?

Many local service professionals keep common Hayward tank O-rings on hand. The O-429 is widely used across multiple filter models. Checking local pricing helps with inventory planning.

Can staff help confirm the correct seal before service?

Yes, staff can review filter model details and seal dimensions. Before calling your nearest location, having photos or the old O-ring available helps ensure accuracy.