Waterway Executive 5.0 HP [16.4A] [1S] Pump (3712021-1D)

Type:	Pumps
Mfg	Waterway Plastics
Mfg Part #	3712021-1D
Hzn Part #	34-270-3582
Replaces:	0-187970-01, 304856, 3712021, 3712021-0TDY, 3712021-1D, 3M12021, 5039-501, K63MWENF-4732
Horsepower:	5.0 HP
Frame:	56 Frame - Thru-Bolt
Speed:	1-Speed
Voltage:	230V
Hertz:	60 Hz
Suction Size:	2" MBT
Discharge Size:	2" MBT
Drain Plug Location:	3, 6, 9 o`clock
Note:	Center Suction/Side Discharge

COMPARE AT $536.99

OUR PRICE $446.99

STOCK STATUS IN STOCK Ships Usually The Same/Next Business Day

Quantity

✓ $9.88 Standard Shipping
Under 25 lbs. Contiguous USA ✓ Secure Checkout
Safe & secure ✓ Expert Parts Support
We’re here to help

Helpful Pump Articles

Recommended Before Purchase

How To Match A Spa Pump By HP, Voltage, Amps & Plumbing Size

Replacing a spa pump is not as simple as matching the horsepower printed on the label. Horsepower ratings are not always measured or presented cons...

Read Article

How to Measure a Plumbing Union To Ensure You Buy The Right Replacement Part

Plumbing unions are small parts, but they are extremely important in hot tubs, spas, jetted tubs, and pool equipment. A un...

Read Article

When Should You Replace A Spa Pump Wet End?

The wet end is the water-moving side of your spa pump. While the motor provides the power, the wet end contains the impell...

Read Article

One-Speed Vs. Two-Speed Spa Pumps: What’s The Difference?

Spa pumps are not all built the same. One of the most important differences is whether the pump is a one-speed or two-spee...

Read Article

SHARE & GET $10 FOR EVERY FRIEND WHO JOINS US & MAKES A PURCHASE!

TAGS: gshop, pumps, spapumps, waterway

Details

The Waterway 3712021-1D Executive pump is designed for compatible applications and features a 5.0 HP motor rated at 16.4 amps in a single-speed configuration. A pump like this is useful because it restores the complete operating unit in systems where the original high-output pump needs to be replaced rather than rebuilt.

At this horsepower level, selecting the correct Executive replacement can be especially important for preserving fit and intended performance. This Waterway pump is a practical replacement when the original 5.0 HP single-speed pump is worn out or no longer dependable in service.

For compatible pump repairs, this Waterway Executive pump is a practical replacement when a 5.0 HP single-speed 16.4 amp pump is needed.

Waterway Executive pump
5.0 HP single-speed configuration
Rated at 16.4 amps
Helps restore complete pump operation
Useful for direct replacement work

Waterway Plastics – Spa Jets, Pumps, Filters, Valves and Pool & Spa Components

Who is Waterway Plastics?

Waterway Plastics is a leading manufacturer of pool and spa components, known for durable construction and broad product compatibility. With decades of experience, Waterway provides essential parts used in both residential and commercial aquatic systems.

What products does Waterway Plastics specialize in?

Waterway Plastics specializes in spa jets, pumps, filters, valves, manifolds, and plumbing components. Their product lineup includes critical parts used in spa and pool systems for water circulation, filtration, and hydrotherapy performance. Waterway components are widely used in both OEM and replacement applications.

Why choose Waterway Plastics parts for your pool or spa?

Waterway Plastics products are known for reliability, compatibility, and long-lasting performance. Their components are engineered to withstand water pressure, chemical exposure, and continuous operation. Spa owners and professionals choose Waterway for dependable parts that maintain system performance and extend equipment life.

How do you identify and choose the correct Waterway Plastics part?

To select the correct Waterway component, it’s important to match specifications such as size, connection type, jet style, and system compatibility. Reviewing model numbers and part dimensions ensures proper fit and function. Choosing the right part helps maintain efficient operation and optimal spa performance.

Need help finding the right Waterway Plastics part?

At Bath & Spa Parts Online, we carry a wide selection of Waterway Plastics pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support.