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Waterway Executive 56 Frame 2 Speed Spa Pump 4 HP 230V 3721621-1D
Waterway Executive 56 Frame 2 Speed Spa Pump 4 HP 230V 3721621-1D
The Waterway Executive 56-Frame 4HP Dual-Speed Spa Pump delivers powerful, efficient, and quiet performance with a durable, long-lasting design.
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Upgrade your spa experience with the Waterway Executive 56-Frame Spa Pump (3721621-1D)—a powerful, 4HP dual-speed pump designed for efficient, quiet, and long-lasting performance.
Featuring a 56-frame motor for improved cooling and durability, this genuine Waterway pump is built to last.
With a large 2" intake and discharge, a rotatable wet end, and energy-efficient components, it ensures optimal water flow while extending the lifespan of your spa system.

⭐⭐⭐⭐⭐ 4.8/5 – Highly Rated by Spa Owners
- Powerful & Reliable: Customers love the 4HP dual-speed performance, which provides excellent water circulation and jet power.
- Quiet & Efficient: Many reviewers highlight the low noise operation and energy savings with its efficient motor.
- Durable & Long-Lasting: With its 56-frame design, rotatable wet end, and Viton seals, this pump holds up well over time.
- Easy Installation: Users appreciate the straightforward setup and adjustable wet end for a perfect fit.
- Great Value: Compared to similar spa pumps, this genuine Waterway product offers top-tier performance at a reasonable price.

- Powerful 4HP Dual-Speed Motor – Switch between high speed for jet power and low speed for energy-efficient circulation.
- 56-Frame Construction – Runs cooler, enhancing motor longevity and performance.
- Large 2” Intake & Discharge – Maximizes water flow for improved efficiency.
- Rotatable Wet End – Easily adjust positioning in 90-degree increments for versatile installation.
- Viton Seals & Double-Shielded Ball Bearings – Designed for durability and leak resistance.
- Split Capacitor Design – Reduces energy consumption while maintaining performance.
- Quiet Operation – Engineered to minimize noise for a relaxing spa experience.
- Genuine Waterway Product – Ensures quality, compatibility, and reliability.

- Brand: Waterway
- Amps High Speed: 12
- Shipping Dimensions: 20 x 11 x 11 inch
- Amps Low Speed: 4.4
- Application: Pool
- Each Product Weight: 43.6 pounds
- Frequency Rating (Hz): 60
- Green or Energy Efficient Product: True
- Horsepower: 4 HP
- Master Carton Quantity: 1
- Minimum Sell Quantity: 1
- Motor Speed: 2-Speed
- Pallet Quantity: 1
- RPMs Max: 3450
- RPMs Min: 3450
- Voltage: 230V
- UPC Code: 806105077462


Q: Will this pump fit my spa?
A: This pump features a 56-frame design with a 2” intake and discharge, which fits most spa systems. However, always verify compatibility with your existing setup before purchase.
Q: Is this pump energy-efficient?
A: Yes! The split capacitor design minimizes energy consumption, and the dual-speed motor allows you to run it on low speed for circulation, saving electricity.
Q: How quiet is this pump?
A: The Executive 56 is engineered for quiet operation, using double-shielded ball bearings and a cooler-running motor to reduce noise and extend lifespan.





Why choose AquaDoc?
- 🌟 Top-notch products designed by leading pool & spa brands.
- 📦 Proudly ship locally from the USA, ensuring faster delivery.
- 👷♂️ Every purchase supports American income and jobs.
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