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.
AP1101 | AquaStar Pipeline Pump Locking Ring Cover & O-Ring
Fits these models (2)
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
The AquaStar AP1101 Pump Locking Ring, Cover & O‑Ring Assembly is a premium OEM replacement tailored for AquaStar Pipeline Pumps—specifically the PLP150S (1.5 HP) and PLP300S (3 HP) variable-speed models. This integrated kit ensures a secure, leak‑proof seal over the strainer basket, extending the life of your pump and maintaining optimal hydraulic integrity. Crafted with durable materials and featuring an EPDM O‑Ring (#439), it delivers exceptional resistance to wear, UV exposure, and chemical corrosion.
Ideal for both routine maintenance and component replacement, the AP1101 enables hassle‑free removal and reinstallation of the lid and locking ring—vital for inspecting and cleaning the strainer basket. Proper installation and lubrication of the O‑Ring help minimize air intrusion and maintain pump prime, improving reliability and performance season after season.
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OEM Fit for AquaStar Pipeline Pumps – Designed for PLP150 1.5 HP and PLP300 3 HP variable-speed models, ensuring perfect compatibility and reliable sealing.
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Secure, Leak-Proof Seal – Integrated locking ring, cover, and EPDM O-Ring (#439) work together to protect hydraulic integrity and prevent water loss.
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Durable, Long-Lasting Construction – Built from robust materials with high resistance to UV damage, wear, and pool chemical corrosion for extended service life.
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Easy Maintenance Access – Allows quick lid removal and reinstallation for strainer basket cleaning, reducing downtime and simplifying routine care.
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Improved Pump Performance – Proper O-Ring lubrication minimizes air intrusion, helping maintain prime and consistent water flow season after season.
- (1) Locking Ring
- (1) Clear Lid
- (1) O-Ring 439
- AquaStar 1.5 HP Pipeline Pump PLP150S
- AquaStar 3.0 HP Pipeline Pump PLP300S