Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (818) 818-6559 and we'll find it for you.
O-523KIT | Aladdin Hayward PSV Valve O-Ring Kit | PSXVZ2A
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
The Aladdin O-523KIT is a complete O-ring replacement kit designed for the Hayward PSV Series diverter and check valves (OEM part number PSXVZ2A). It includes a gasket and all necessary O-rings required to reseal the valve key and cover — providing a tight, leak-proof seal and helping restore reliable flow control. This kit is ideal for maintenance or repair of Hayward PSV valves to prevent leaks, ensure proper valve function, and extend the lifespan of the valve body. The precision-fit rings are manufactured for durability and chemical resistance in chlorinated pool environments, making the O-523KIT a cost-effective, turnkey solution for pool and spa plumbing upkeep.
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Complete Seal Kit: Includes gasket G-391/2 and O-rings (O-158 and O-440) needed to reseal the key and cover of PSV valves — no extra parts required.
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OEM Compatibility: Engineered specifically for Hayward PSV Series diverter and check valves (PSXVZ2A), ensuring proper fit and performance.
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Prevents Leaks & Improves Flow Control: Replaces worn seals to restore tight closure and proper valve operation, reducing the risk of leaks or bypass flow.
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Durable Replacement Parts: O-rings are made from pool-grade materials that resist chemical exposure and degrade slowly — ideal for long-term maintenance.
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Cost-Effective Maintenance Solution: Offers an inexpensive way to service or refurbish a PSV valve without needing full valve replacement, saving time and money.
- (1) Gasket G-391
- (2) O-Rings O-158
- (1) O-Ring O-440