Pump, Waterway Executive 56, 2.0HP, 230V, 8.0/3.0A, 2-Speed
About This Part
Pump, Waterway Executive 56, 2.0HP, 230V, 8.0/3.0A, 2-Speed — a genuine Waterway replacement part for spas and hot tubs. Part #3720821-1D.
This is an authentic Waterway component, stocked and shipped by Sauna Company USA. Order genuine Waterway part #3720821-1D online with fast shipping, secure checkout, and expert support from our parts team.
- Manufacturer: Waterway
- Part Number: 3720821-1D
- Category: Pumps & Blowers › Pumps › 56 Frame 2 SPD Spa Pumps
- Availability: Regular Stock
Detailed Description
- Executive wet end designed specifically for 56-frame motors
- Split capacitor, (start and run) for less energy consumption
- Highly versatile wet end can be rotated every 90°
- Ships from the USA
- Secure checkout
- Lowest price guaranteed
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Technical Specifications
| Part Number | 3720821-1D |
| Brand | Spa Parts |
| Item Type | Part |
| Category | 3720821-1D,56 Frame 2 SPD Spa Pumps,Part #3720821-1D,Pumps,Pumps & Blowers,Waterway |
| Shipping Method | Standard parcel |
| Availability | In Stock |
Contact us to confirm compatibility with your specific model before ordering.
Installation Overview
Pump / valve installation — shut off water supply before starting. Check for drips after every connection.
- Close the water supply valve and drain any residual pressure from the line.
- Disconnect the power/signal wire to the pump or solenoid and cap it safely.
- Unthread the old component using the appropriate wrench; have a towel ready for residual water.
- Apply thread-seal tape to all threaded connections on the new component.
- Thread in the new component hand-tight, then 1–1.5 additional turns with a wrench.
- Reconnect wiring per the wiring diagram; restore water supply slowly.
- Check all joints for leaks; restore power and test operation.
Compatibility & System Requirements
This part is designed for use with:
- Spa Parts Products
Not sure if this fits your system? Contact us with your model number and we'll confirm before you order.
Frequently Asked Questions
Is this a genuine OEM part?
Yes. Sauna Company USA is an authorized dealer for Spa Parts. All parts sold are genuine OEM components sourced directly from the manufacturer or authorized distributor, not aftermarket substitutes.
How do I confirm this fits my model?
Match the part number (SKU) on the product against the parts list in your equipment's owner manual, or locate the data plate on your unit and compare the model number to the compatibility table above. If unsure, contact us with your model number before ordering.
Can I return this part if it doesn't fit?
Parts & accessories are non-returnable once opened — incorrect parts cannot be resold as new. Please confirm compatibility before purchasing. We're happy to help identify the correct part for your system.
How long will shipping take?
Standard parcel orders ship within 1–2 business days. Estimated transit is 2–5 business days depending on your location. Expedited options are available at checkout.
Shipping & Delivery
Standard parcel shipping — ships within 1–2 business days via UPS or FedEx.
- Tracking number emailed when shipped.
- Estimated transit: 2–5 business days depending on destination.
- Expedited shipping options are available at checkout.
- Orders placed before 5pm ET on business days ship the same or next business day.
Questions about your order? Email info@saunacompanyusa.com or use our contact page.
Warranty & Returns Policy
Manufacturer Warranty: This part is covered by Spa Parts's standard manufacturer warranty against defects in materials and workmanship. Warranty duration and terms vary by part type — refer to the documentation included in the package or contact us for details.
Returns: Parts & accessories are non-returnable once ordered. This policy exists because installed or opened components cannot be resold as new. Please verify compatibility thoroughly before purchasing — we're here to help.
Defective items: If your part arrives damaged or defective, contact us within 48 hours of delivery. We will arrange a replacement at no charge with proof of the defect (photos or video).
For warranty claims, visit our Warranty Claims page.