Jandy | R0974401 | Variable Speed Drive Only, No Controller – 1.85 HP DV2A VS FloPro / ePump

The Jandy R0974401 is the genuine OEM variable speed drive for 1.85 HP DV2A pool pumps. This is the drive unit only. It replaces the failed electronic drive on a Jandy VS FloPro 1.85 HP or ePump 2.2 HP DV2A variable speed pump without requiring a full pump or motor replacement, restoring programmable RPM control, correct flow, and full energy efficiency.

The drive is dual voltage and delivers identical performance on 115V or 230V, which is the defining feature of the 1.85 HP FloPro platform. It is the correct service part for 2-aux relay DV2A pumps.

Key Features

• Genuine Jandy OEM part R0974401. Factory tolerances, factory firmware, and exact fit to the original drive mount.
• Dual voltage 115V / 230V. Same performance at either supply voltage, so no mains rewiring is needed.
• Restores full variable speed control. Recovers programmable speed steps for filtration, heating, cleaning, spa jets, and water features.
• Drive only replacement. Repair the electronics and keep the existing motor, wet end, seal plate, and plumbing in place.
• Lower repair cost than a full pump. A fraction of the price of replacing the complete 1.85 HP variable speed pump.
• Sealed, corrosion resistant housing. Built for outdoor equipment pads, humidity, and chemical exposure.
• Works with Jandy automation. Communicates over RS485 with AquaLink, iAquaLink, and iQPUMP01 once reconnected.

Compatible Pumps

• Jandy VS FloPro 1.85 HP, models VSFHP185DV2A and VSFHP185DV2AS, 2-aux relay, manufactured 2019 to present
• Jandy ePump Pro Series 2.2 HP DV2A, 2-aux relay, manufactured 2020 to present
• Jandy VS PlusHP 1.85 HP, 115V/230V, 2-aux relay, manufactured 2019 to present

Confirm the model number on your pump nameplate before ordering. The 2.7 HP version of this drive is part number R0974400 and the 3.8 HP version is R0974403. They are not interchangeable.

What Is Included

• One Jandy R0974401 variable speed drive assembly

What Is Not Included

• SpeedSet controller. This drive ships without the controller and is intended for pumps already running a SpeedSet keypad, an automation system, or iQPUMP01.
• Motor. If the motor itself has failed, you need the combined motor and drive assembly instead.
• Unions, gaskets, and mounting hardware. Reuse the hardware from the original drive.

Specifications

When To Replace The Drive

The drive is the electronic brain that converts incoming power into variable frequency output for the motor. Replace it when the pump shows a blank or frozen display, throws persistent drive fault or communication errors, hums without spinning, runs at only one speed, trips the breaker on startup, or lost all automation communication while the motor and wet end are still mechanically sound. A motor that spins freely by hand and shows correct winding resistance points to a drive failure rather than a motor failure.

Installation Notes

Shut off power at the breaker and confirm zero voltage before opening the drive housing. Photograph the existing wiring and RS485 connections before disconnecting anything. Transfer the wiring to the new drive exactly as it came off, reseat the RS485 quick connect, then restore power and reprogram your speed steps and run schedules through the SpeedSet keypad or automation panel. Installation should be performed by a licensed pool professional or qualified electrician. Improper wiring voids the warranty.

Frequently Asked Questions

What does the Jandy R0974401 do?
It is the variable speed drive for a 1.85 HP DV2A Jandy pump. The drive controls motor speed, manages the programmed run schedule, and handles communication with automation. Replacing it restores full variable speed operation on a pump whose electronics have failed.

What warranty comes with this drive?
Fluidra warrants purchased replacement parts for 90 days from the date of retail purchase. That is the term that applies to this drive. It is shorter than the warranty on a complete Jandy variable speed pump, which is three years, because this is a service part rather than a finished good.

Does the Jandy warranty apply to parts bought online?
Yes for this item. Fluidra excludes internet and e-commerce purchases from the Jandy limited warranty, but the exclusion carves out parts, pool product accessories, and valves under three inches. A replacement drive is a part, so it stays covered under the 90 day replacement parts term. Keep your receipt, since warranty claims are tied to the date of retail purchase.

Does the R0974401 include the SpeedSet controller?
No. This is the drive only. It does not ship with the SpeedSet controller or keypad. It is the right choice when your controller still works, or when the pump is controlled by an AquaLink automation system or iQPUMP01.

Does the R0974401 include the motor?
No. It is the drive assembly only. If the motor windings or bearings have failed, you need the combined motor and drive unit rather than this part.

Which pumps does the R0974401 fit?
It fits 1.85 HP DV2A models including VSFHP185DV2A and VSFHP185DV2AS in the VS FloPro line built from 2019 onward, and it is the drive used on the ePump Pro Series 2.2 HP DV2A built from 2020 onward. Always match the model number on the pump nameplate.

Why is this listed as both 1.85 HP and 2.2 HP?
The same drive serves the VS FloPro 1.85 HP and the ePump 2.2 HP DV2A because the two pumps share a motor platform that is rated differently between product lines. The part number R0974401 is the same in both cases.

What is the difference between R0974401 and R0974400?
Horsepower. R0974401 is the 1.85 HP drive. R0974400 is the 2.7 HP drive. R0974403 is the 3.8 HP drive. Each is matched to its own motor and they cannot be substituted for one another.

Can I run this drive on 115 volts?
Yes. Dual voltage operation is a core feature of the 1.85 HP FloPro platform. The drive runs on 115V or 230V with the same performance. Wire it to match the incoming service at your equipment pad.

How do I know the drive failed and not the motor?
Common drive symptoms are a dead or frozen display, repeating fault codes, no response to speed commands, single speed operation, or lost automation communication. If the motor shaft turns freely and the windings test within spec, the drive is the likely failure point. A pool professional can confirm with a meter before you order.

Will I lose my programmed schedules?
Yes. A new drive arrives with factory defaults. Reprogram your speed steps and run schedules through the SpeedSet keypad or your automation panel after installation.

Does it work with AquaLink and iAquaLink?
Yes. The drive communicates over RS485 and integrates with Jandy AquaLink automation, iAquaLink app control, and iQPUMP01 once the communication cable is reconnected and the pump is rediscovered by the panel.

Is this a genuine OEM Jandy part?
Yes. This is a factory sealed Jandy OEM drive, not an aftermarket or refurbished unit.

Can I install it myself?
This is line voltage electrical work on a wet location circuit. Fluidra specifies installation by a contractor licensed and qualified in pool equipment where state or local requirements exist. Installation outside that standard can void the warranty and creates a shock hazard.

How is this item shipped?
The drive is a heavy, sensitive electronic assembly and ships packaged to protect the heat sink and connectors. Inspect the carton on delivery and report any shipping damage before installation.

California Proposition 65 Warning

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.