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.
Waterway 415-5090 Union Nut | 2" Self Aligning Connection
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
OEM Waterway Union Nut 415-5090 is a self-aligning 2-inch nut designed to secure plumbing connections in pool and spa equipment, offering a leak-resistant, durable seal. Ideal for use with Waterway union assemblies, this nut accommodates slight misalignments, helping to simplify installation and improve long-term reliability. Built from high-strength materials that resist corrosion and chemical wear, it's a key component in maintaining stable and efficient pool system operation.
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Secure Plumbing Seal: Provides tight, leak-free closure on 2-inch pool and spa connections for reliable performance.
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Self-Aligning Installation: Allows for minor pipe misalignment without compromising the seal or fit.
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Heavy-Duty Material Build: Engineered for long-term use in chlorinated and high-moisture environments.
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Enhances System Longevity: Supports efficient operation by maintaining stable connections across all major components.
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Easy Replacement Part: A simple yet essential upgrade during regular system inspections or repairs.