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.
310-1890 | Waterway Executive Wet End 48 Frame | 2HP | 2"
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
The Waterway 310-1890 Executive Wet End is a high-performance replacement assembly engineered for 2 HP motors in a 48frame configuration. Featuring 2″ inlet and 2″ discharge ports, this wet end delivers the flow and pressure required for larger residential pool or spa systems under demanding conditions. The unit comes pre-assembled with the volute, impeller, wear ring, mechanical seal, suction cover, O-rings, and drain plug — simplifying installation while ensuring optimal alignment and reliability. With its 90° rotatable discharge and compatibility with union-style hookups, it provides flexibility and convenience during pump rebuilds or upgrades. Built in the U.S.A. for the Executive line, it delivers genuine OEM-quality performance and durability, standing up to pool chemicals, thermal cycling, and heavy duty use.
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Engineered for 2 HP Performance: Designed specifically for 48-frame motors and sized for 2″ suction/discharge piping to handle higher flow and head demands with efficiency.
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Complete Wet End Assembly: Includes volute, impeller, wear ring, mechanical seal, suction cover and all necessary O-rings — reducing rebuild complexity and downtime.
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Rotatable Discharge Configuration: Allows the discharge port to be rotated in 90° increments for flexible plumbing layout and easier field orientation.
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Durable Construction & Corrosion Resistance: Constructed to OEM specifications by Waterway, engineered to resist pool and spa chemical exposure, temperature fluctuations, and mechanical stress.
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OEM Compatibility & Easy Upgrade Path: Perfect as a direct replacement for worn or outdated units in systems that originally used Executive-series wet ends, helping maintain performance and reliability.