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.
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Waterway 2HP Executive Spa Pump 2 Speed | 3420820-1A
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
The Waterway Executive 3420820-1A Spa Pump is built to original Waterway engineering standards, delivering dependable 2 HP two-speed operation for a wide range of spa and hot tub systems. Its 48-frame motor includes thermal overload protection for safe, consistent performance during extended run cycles. A 6.5-inch diameter wet end supports strong pressure output while offering rotational adjustment in 90-degree steps, making it easier to adapt the housing to existing plumbing. The 2 inch intake and discharge ports, supported by 3 inch male buttress threads, help maintain strong flow and efficiency in high-demand applications. As part of Waterway’s established Executive series, the 3420820-1A provides the pressure, flexibility, and durability required for spa jets, elevated lines, and continuous circulation.
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Dual-Speed Operation: The 2 HP motor delivers strong high-speed pressure for jets and a quieter low-speed mode for sustained circulation needs.
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Rotatable Wet End: A 6.5-inch housing that can be re-clocked in 90-degree increments helps simplify alignment in new and retrofit spa installations.
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High-Flow 2 Inch Ports: Large intake and discharge connections paired with buttress threads promote efficient flow and easier plumbing attachment.
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Overheat Protection: The motor’s built-in thermal safeguard helps prevent damage from heat buildup during heavy or prolonged operation.
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High-Pressure Wet End: Designed to maintain elevated head pressure, making it ideal for multi-jet systems and spas with long or elevated plumbing paths.