3420820-1A | Waterway 2HP Executive Spa Pump 2 Speed

The Waterway 3420820‑1A Executive Spa Pump 2HP 2 Speed is engineered for robust performance in spa and hot tub applications. Featuring a 2 HP dual-speed motor (3450 RPM high / 1725 RPM low) and a generous 6.5-inch diameter wet end, this pump delivers strong flow and pressure while allowing versatile plumbing configurations thanks to its rotatable wet end design. The 48-frame motor is thermally protected and built for durability, making it an ideal choice for installations requiring 2″ inlet and discharge ports. Backed by the reputation of Waterway, this pump line is designed for trouble-free operation, long life, and dependable service in spa environments.

Highlights

• Dual-Speed Motor: Offers both high and low speeds (3450/1725 RPM) for flexible performance and potential energy savings when full power isn’t required.

• 2″ Intake & Discharge Ports: Large 2-inch plumbing connections (3″ male buttress thread) streamline installation and support higher flow rates.

• Rotatable Wet End Design: The pump’s wet end can be clocked in 90° increments, simplifying alignment with existing plumbing and reducing installation time.

• Thermally Protected Motor: Built in thermal overload protection helps safeguard against overheating and enhances overall product longevity.

• High Head Pressure Wet End: Designed with a large diameter impeller housing for superior head pressure capability, which is beneficial for jets and elevated plumbing runs. 

Additional Info

This FAQ helps in-store customers confirm plumbing size, frame type, and speed settings before picking up the Waterway Executive 3420820-1A from Discount Pool Mart. It also covers what to bring into the store to ensure the correct fit.

Fitment Verification, Frame Size & Plumbing Alignment

These answers help walk-in shoppers verify compatibility before visiting Discount Pool Mart.

How can I confirm the 3420820-1A matches my current spa pump?

Check your old pump’s label for 2 HP, dual-speed, 115 V, 48-Frame, and 2 inch ports. If those match, this model is typically the correct replacement. Bringing photos to the store helps the staff confirm instantly.

Does the rotatable wet end help with tight plumbing layouts?

Yes. The wet end rotates in ninety-degree increments, allowing you to align the ports with your existing plumbing without extra fittings.

Will this pump connect to standard 2 inch spa unions?

Yes. The intake and discharge ports are designed for standard 2 inch unions used in modern spa plumbing.

Dual-Speed Use, Jet Performance & Motor Behavior

These questions explain what to expect once the pump is installed.

What does the low-speed setting handle?

Low speed provides quiet filtration flow, circulation, and heating support. It runs at approximately 1725 RPM.

What is the high-speed setting used for?

High speed delivers full jet power and fast water turnover at roughly 3450 RPM. Most spas use this mode for hydrotherapy.

Does the pump include motor protection?

Yes. The motor has built-in thermal protection to prevent overheating during extended operation.

In-Store Pickup, On-Site Inspection & Replacement Prep

These details assist Discount Pool Mart customers who plan to pick up locally.

What should I bring to the store before purchasing?

Photos of your old pump’s label, plumbing unions, and wiring layout help confirm correct replacement before buying in store.

Can I inspect the pump when picking it up?

Yes. Customers often compare their old pump directly to the new one at the counter to make sure the ports and frame size match.

Is the pump ready to install once I get it home?

Yes. After matching the wiring and securing the unions, the pump can be installed immediately.