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.
OEM Waterway 505-1930B Lateral is a threaded replacement part for Waterway Carefree and Clearwater sand filters. This lateral supports uniform flow across the sand bed, maximizing filtration performance and maintaining clean water. It features a thread-in design for quick installation, making maintenance easy. Crafted for durability, this part helps prolong the efficiency of your filtration system. Typically, each sand filter uses eight laterals for complete coverage and balance within the filter tank.
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Compatible with Waterway Filters: Specifically made to replace laterals in Waterway Carefree and Clearwater models, ensuring seamless integration.
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Optimizes Sand Bed Functionality: Distributes incoming water evenly across the sand for thorough and efficient filtration results.
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Thread-In for Easy Replacement: Features a screw-on style that simplifies installation and reduces filter service time.
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Engineered for Pool Environments: Durable plastic construction resists breakage and corrosion, supporting consistent system operation.
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Essential Part of Filter Assembly: Standard configurations call for eight laterals per filter, ensuring balanced media performance.
- (1) Waterway 505-1930B Lateral
- Waterway Carefree Sand Filters
- Waterway Clearwater Sand Filters
Note: This lateral may be compatible with your system, please refer to your owners manual to ensure compatibility.

