Aladdin Hayward PSV Valve O-Ring Kit | PSXVZ2A | O-523KIT

The Aladdin O 523KIT provides all necessary seals to rebuild Hayward PSV Series diverter and check valves, following the OEM PSXVZ2A dimensions for dependable fit and function. The kit includes a G 391/2 gasket and O 158 and O 440 O rings, each manufactured from chlorine resistant elastomers that retain flexibility under pressure and frequent cycling. Designed to reseal the valve key and cover, the O 523KIT helps prevent water leakage, maintain proper valve closure, and reduce the risk of bypass flow within the plumbing system. As a complete maintenance solution, it offers a convenient and economical way to service aging PSV valves and sustain reliable hydraulic control.

Highlights

• All Required Seals Included: G 391/2 gasket plus O 158 and O 440 O rings provide full resealing capability for PSV valves.

• Fits Hayward PSXVZ2A: Matches original PSV Series diverter and check valve specifications for proper placement and sealing integrity.

• Leak Prevention & Control: Helps restore valve closure, reduce water loss, and maintain consistent flow direction.

• Long Lasting Elastomer Construction: Resists chlorine, compression set, and daily pump pressure for reliable long term performance.

• Affordable Maintenance Option: Ideal for routine valve servicing or refurbishment without replacing the entire valve assembly.

Includes

•  (1) Gasket G-391
• (2) O-Rings O-158
• (1) O-Ring O-440

Additional Info

The Aladdin O-523KIT is a precision replacement kit for Hayward PSV Series diverter and check valves (PSXVZ2A), supplying the G-391/2 gasket and all required key and cover O-rings. This section helps SOSPool.com customers confirm the correct fit before ordering, understand installation steps, and review performance checks after resealing. These FAQs address leak prevention, valve rotation issues, and maintenance best practices.

Compatibility Checks for Online Orders

Online customers often confirm the PSV series reference before completing checkout.

How can I verify that the O-523KIT fits my Hayward PSV valve?

Check the valve body for PSXVZ2A or PSV markings. If present, the O-523KIT matches the original Hayward sealing layout.

Will this kit work for both diverter and check-valve styles in the PSV family?

Yes, both use the same internal sealing arrangement. The included gasket and O-rings match their shared design.

Can this kit help resolve leaking or inconsistent valve movement?

Yes, replacing worn seals typically restores tight closure and predictable rotation, improving overall valve performance.

Installation and Setup After Delivery

This section helps SOSPool.com customers install the new O-rings correctly and verify proper operation.

How do the O-rings in the O-523KIT correspond to valve components?

The O-158 seals the diverter key, the O-440 seals the cover, and the G-391/2 serves as the main lid gasket. Matching them to removed parts ensures proper placement.

What should I do to prepare the valve before installing the seals?

Clean all grooves, remove mineral buildup, and apply a thin coat of silicone lubricant to help new rings seat and rotate smoothly.

How can I confirm the resealed valve is functioning correctly?

Check for smooth handle rotation, no water seepage around the cover, and accurate flow direction when adjusting the valve.

Shipping, Delivery, and Online Support

This section explains what to expect when ordering the O-523KIT from SOSPool.com.

How quickly does the O-523KIT ship?

Most orders ship promptly, and checkout displays the estimated arrival window. Tracking updates keep you informed until delivery.

What should I inspect upon arrival?

Verify that the gasket and both O-ring types are included and undamaged. Compare sizes to the removed seals if possible before installation.

Do customers usually order related valve accessories with this kit?

Yes, many add replacement lids, handles, or lubrication products to complete the maintenance in one shipment.