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.
400-6010 | Waterway 2.5" x 2.5" Pump Union
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
The Waterway 400-6010 pump union is a precision-engineered plumbing fitting designed for spa and pool pump installations requiring a 2½″ Slip x 2½″ Nut connection. Built to fit pumps with an approximately 3-5/8″ outside-diameter inlet/outlet, this union includes the o-ring tailpiece for reliable sealing and smooth service. Manufactured by Waterway Plastics in the USA, the unit supports high-flow and heavy-duty spa applications by providing a secure, easy-to-service joint between the pump and plumbing system.
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2½″ Slip x 2½″ Nut Configuration: Tailored for pumps with 2½″ nominal connection size and fits side-discharge spa pumps with 3-5/8″ OD inlet/outlet.
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Includes O-Ring Seal: Ensures reliable, leak-resistant operation in spa pump plumbing.
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Designed for Waterway Executive Series: Compatible with the Waterway Executive 56-Frame spa pump inlet/outlet assemblies.
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Durable Construction: Made from high-quality PVC with corrosion and chemical-resistant characteristics suitable for spa environments.
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Service-Friendly Design: The nut-and-union format allows easy disassembly for pump servicing without cutting pipe.