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Waterway Executive 48 Frame 2 Speed Spa Pump 4.5 HP 230V 3421821-1A
Waterway Executive 48 Frame 2 Speed Spa Pump 4.5 HP 230V 3421821-1A
The Waterway Executive 3421821-1A 4.5HP Spa Pump delivers high-powered, quiet, and efficient water circulation, making it the perfect upgrade for any spa or hot tub.
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Upgrade your spa with the Waterway Executive 3421821-1A, a high-performance 48-frame spa pump designed for superior flow, efficiency, and longevity. Engineered with a 2-speed motor (4.5 HP, 230V), this genuine Waterway product delivers exceptional water circulation while maintaining quiet operation.
The large 2.5” intake enhances flow performance and reduces noise, while the 6.5” diameter wet end increases head pressure for improved efficiency.
Built with thermal protection to extend motor life, this pump is ideal for spas and hot tubs requiring reliability and power.

⭐⭐⭐⭐⭐
Customers love how quickly and effectively this pump circulates water, improving spa performance.
Many users mention the significantly reduced noise levels compared to their previous pumps.
Praised for its versatile wet end rotation and compatibility with standard spa plumbing.
The thermal protection and high-quality seals ensure this pump runs smoothly for years.
High-end performance at a competitive price point.

- High-Performance 2-Speed Motor – Runs at 4.5 HP, 230V for powerful and efficient water circulation.
- 48-Frame Executive Wet End – Designed exclusively for this pump, ensuring optimal flow and durability.
- Large 2.5” Intake – Increases water flow and minimizes noise for a more relaxing spa experience.
- Enhanced Pressure Output – 6.5” diameter wet end boosts head pressure for better performance.
- Versatile Wet End Rotation – Can be adjusted every 90° for flexible installation.
- Thermal Protection – Increases motor lifespan by preventing overheating.
- Viton Seal – Ensures long-lasting, leak-free performance.

- Brand: Waterway
- Application: Pool
- Shipping Dimensions: 20 x 11 x 11 inch
- Each Product Weight: 36 pounds
- Flow Rate (Max): 220 gal/min
- Flow Rate (Min): 220 gal/min
- Frequency Rating: 60 Hz
- Horsepower: 4.5 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: 806105075369


Q: Will this pump work as a replacement for my current spa pump?
A: The Waterway Executive 3421821-1A is compatible with many spa models. Check if your existing pump has a 48-frame motor, 2” or 2.5” intake/discharge fittings, and matches the 4.5HP, 230V, 2-speed specifications. If so, it should be a direct replacement.
Q: Is this pump noisy?
A: No! Thanks to its large 2.5” intake and well-engineered wet end, this pump operates quietly, reducing overall spa noise while maintaining high performance.
Q: How long does this pump last?
A: With its thermal protection and durable construction, this Waterway pump is designed for long-lasting performance. Proper maintenance and regular cleaning will further extend its lifespan.


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- 🌟 Top-notch products designed by leading pool & spa brands.
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