Astralpool Viron XT P320 Pump Motor with Slinger SP71660 - Viron P320 XT and P320C XT

Astralpool Viron XT P320 Pump Motor with Slinger SP71660 - Viron P320 XT and P320C XT

This is the genuine Astralpool Viron XT P320 pump motor, part number SP71660, the brushless DC motor that the P320 controller drives. Fluidra describes it as the Motor Viron XT P320 Slinger. Astralpool's Viron XT spare parts lists give the P320 motor as 71460, item 22, in manuals INST 434 (original) and H0717700 (Series 2), and so does the MKII list published by Astralpool dealers. Fluidra describes SP71660 as the Motor Viron XT P320 Slinger. The lists do not show SP71660 replacing 71460 directly, so send us a photo of your motor's data plate and we will confirm before you order. One motor per pump.

• Physically Stocked, unlike most "drop-shipping" websites.
• Shipped from VIC, NSW, WA, QLD

Confirmed Compatibility

The Viron XT P320 motor is 71460 on each Viron XT spare parts list:

• Viron XT P320 XT, original series (Astralpool manual INST 434): item 22, Motor P320, 71460
• Viron XT Series 2 P320C XT (Astralpool manual H0717700): item 22, 71460
• Viron XT P320C XT sold November 2020 to June 2021, and the MKII from July 2021, the current Viron P320C XT pump: item 22, 71460 on both parts lists published by Astralpool dealers

SP71660 is Fluidra's Motor Viron XT P320 Slinger. Confirm against your data plate before ordering.

Not this motor: the Viron XT P520 lists motor 71462 (Fluidra also lists SP71662, with slinger), with its own controller. The Viron eVo P600 takes 71422. Single speed pumps take a different motor.

Ask first: the Viron eVo P320, the older Viron P280, P300 and P600, and the Filtrite PX. The parts lists available to us do not give this motor for them. Send us a photo of the pump badge and the motor data plate.

Dimensions and Specifications

The Viron XT Part Matching Rule (rev. VXP-1.1)

A motor is an expensive part to get wrong. Confirm it by the pump and the motor:

1. P320 or P520? Read the badge. The P320 motor is 71460 and the P520 motor is 71462 on every Viron XT spare parts list (item 22), each with its own controller (21488 and 21489). Astralpool lists a 1 HP control fitted to a 2 HP motor as a cause of the HI A over current fault, so do not mix them.
2. Any Viron XT generation. The original (INST 434), Series 2 (H0717700) and MKII lists all give 71460 for the P320.
3. Check the motor before replacing it. With the power off, check that the impeller can move freely. BSUC means the rotor is stuck or two phases are shorted, and Astralpool says to repair the motor before the controller.
4. Photograph the data plate and the badge. Send us a photo of the motor data plate and pump badge, and we will confirm the motor before you order.
5. eVo or older Viron? Ask first. The Viron eVo P600 takes 71422. For the eVo P320, P280, P300 and Filtrite PX, ask us first.

Viron XT Motor Ratings

All 240V 50 Hz. Both manuals say the pump is supplied with a standard 10 amp 3-pin plug for connection to a 240V 10 amp power point, and that the controller is a plug-in assembly needing no extra wiring.

Viron XT Fault Codes and Checks

• BSUC, Motor is Stuck: the rotor is stuck or stiff enough to prevent starting, or two phases are short circuited. Astralpool says the cause is normally a mechanical fault and to repair the motor before the controller.
• HI A, Over Current: the motor is drawing excessive current. Astralpool lists a wrong impeller, damaged or worn bearings or seal, a 1 HP control fitted to a 2 HP motor, and partially shorted windings.
• HI T, Over Temperature: the control is very hot, from extreme ambient temperatures or poor airflow over the motor. Check the fan, fan cowl and surroundings before suspecting the motor.
• Pump not running: something may be stuck in the impeller. With the power off, Astralpool suggests a flat head screwdriver under the cowl to check for free movement of the impeller. If it does not move, something needs removing; if it does move, the motor may have failed.
• Pump noisy or humming: it could be the impeller, bearings, mechanical seal, capacitor or a burnt out motor.

Astralpool's maintenance schedule says to check for leaks under the pump every three months and to repair or replace the mechanical seal and motor bearing if necessary.

What Slinger Means

Fluidra describes this motor as supplied with a slinger. A slinger is a ring on the motor shaft that throws off water tracking along the shaft before it can reach the front bearing. It does not replace the mechanical seal: a leaking seal still needs to be replaced.

Which Part Do I Need?

Related Viron XT P320 Parts

• Impeller Viron XT P320 - 40060X
• Cooling Fan - 40285 | Fan Clip - 40285C | Fan Cowl - 70600
• Rear Cover with RJ12 Port - 70603 | Rear Cover Gasket - 70562
• Controller Viron P320C - SP21488
• Screen, Viron XT MKII P320C XT - SP12812
• Motor Bearings 6203 - 71300 | Motor Shaft Seal - 40808
• Mechanical Seal PS3868 (was 75509)
• Seal Plate, Viron XT Series 2 and MKII - SP40030 | Seal Plate, original Viron XT - 40098
• Motor Retaining Bolt M10 x 25, Series 2 and MKII - 40173 | Motor Foot - 4005002 | Motor Foot Insert - 40056
• Browse the full range: Astralpool Viron Parts | Astralpool and Zodiac Pump Spare Parts

Part Numbers and Cross-References

• Astralpool part number: SP71660
• Fluidra description: Motor Viron XT P320 Slinger
• Viron XT P320 motor: 71460, item 22 in Astralpool manuals INST 434 and H0717700, and on the dealer-published lists
• Viron XT P320 controller: 21488, item 20 (SP21488)
• Barcode (EAN / GTIN): 9317545294414

Fitting Notes

Isolate the pump at the power point or switchboard before any work. Astralpool's Viron manuals say the pump must be installed and serviced by a licensed electrician in accordance with AS/NZS 3000.

1. Photograph the pump badge, the motor data plate and the controller label before dismantling.
2. Separate the motor from the wet end and inspect the impeller, mechanical seal, seal plate and O-ring.
3. Fit a new mechanical seal if the old one was leaking or is worn, and transfer or replace the fan, clip and cowl.
4. Refit the matching controller for the pump model, then have the electrician test the pump.

Frequently Asked Questions

Which pumps does the SP71660 motor fit?
The Viron XT P320: the original P320 XT, the Series 2 P320C XT and the MKII P320C XT all list motor 71460 as item 22. Send us a photo of your data plate and we will confirm before you order.

Is SP71660 the same as 71460?
Fluidra describes SP71660 as the Motor Viron XT P320 Slinger, and Astralpool's XT spare parts lists give 71460 as the P320 motor. Send us a photo of your data plate and we will confirm before you order.

Will the P520 motor fit a P320?
No. Each motor has its own controller, and Astralpool lists a 1 HP control fitted to a 2 HP motor as a cause of the HI A over current fault.

What is the rating of the Viron XT P320 motor?
Astralpool's original XT manual (INST 434) gives 0.75 kW output, 240V 50 Hz, 4.1A, max 2850 rpm. The Series 2 manual (H0717700) gives 0.85 kW output, 240V 50 Hz, 7.5A, max 2850 rpm.

My pump shows BSUC or hums. Is the motor dead?
Not always. Astralpool says BSUC means the rotor is stuck or stiff enough to prevent starting, or two phases are short circuited, and that the cause is normally mechanical. With the power off, check whether the impeller can move freely. If it moves and the pump still will not run, the motor may have failed.

Should I replace the mechanical seal with the motor?
Astralpool's maintenance schedule says to check for leaks under the pump every three months and to repair or replace the mechanical seal and motor bearing if necessary. If the old motor failed after a leak, fit a new seal when the new motor goes in.

Is this a genuine Astralpool part?
Yes. Heater and Spa Parts is an authorised Fluidra (Astralpool and Zodiac) dealer and warranty agent, and SP71660 is the genuine Astralpool part, barcode 9317545294414.

Can I fit the motor myself?
No. Astralpool's Viron manuals say the pump must be installed and serviced by a licensed electrician in accordance with AS/NZS 3000. As with all of our products, it must be diagnosed and fitted by a qualified and experienced person.

Manufacturer Catalogues, Diagrams & Part Numbers: Need exploded views, spare part numbers, product numbers, diagrams, or more product information? See the manufacturer catalogues below.

• Astralpool Catalogue 2026 | Zodiac Catalogue 2026

Important Before Ordering: Please ensure you order correctly. Confirm this product is suitable before ordering. Use the catalogues above, seek professional assistance, or contact us with photos of your existing part, model details, serial numbers, and any labels.

As with all products, these must be diagnosed and fitted by a qualified and experienced person. This is a special-order item.

Common search terms: Astralpool SP71660, Hurlcon SP71660, Viron XT P320 motor, Viron P320 motor, P320C XT motor, Viron XT P320 motor replacement, 71460 motor, Viron variable speed pump motor, Astral BLDC motor, WWDG SpaPro.