Best Variable-Speed Pool Pumps (and Which SKUs Lose Warranty Online)

If your pool pump is more than a few years old and single-speed, a variable-speed (VS) pump is usually the single biggest efficiency upgrade available to you. In Texas, where filtration runs most of the year and summer electricity bills are already heavy, that matters.

This guide compares the VS pumps you’ll most often be quoted or see online, and flags the SKUs that come with reduced warranty when bought on the internet.

Quick comparison

Pump	Total HP	Voltage	WEF (per maker)	Online SKU & warranty	Typical price range
Hayward Super Pump VS	1.65 THP	230/115 V	8.6 / 11.7	W3SP2603VSP: 1 yr parts only. Store version: 3 yr parts + 1 yr labor (per Hayward)	About $1,600–$1,850 · check current price
Hayward MaxFlo VS	1.65 THP	230/115 V	Listed by retailers as ENERGY STAR	W3SP2303VSP: 1 yr parts only	About $1,700–$1,800 · check current price
Hayward TriStar VS 2.7	2.7 THP	230/115 V	7.3 / 10.1	W3SP3206VSP: 1 yr parts only	About $2,600–$2,700 · check current price
Pentair SuperFlo VST	1.5 HP / 2.2 THP	115/208–230 V	9.0 at 230 V; 7.3 at 115 V	EC-342001: e-commerce warranty, 1 yr parts only	About $1,100–$1,650 · check current price
Pentair IntelliFlo3 VSF 1.5 HP	1.5 THP	115/208–230 V	9.4	Online purchases: 1 yr parts only	Varies by seller · check current price
Pentair IntelliFlo3 VSF 3.0 HP	3.0 THP	208–230 V	7.1	Online purchases: 1 yr parts only	About $2,000–$2,200 · check current price
Jandy FloPro VS	Various	—	—	No manufacturer warranty when bought online	Dealer only

Specs from Hayward and Pentair product pages and catalogs, or authorized retailer listings where noted. Hayward publishes WEF as two figures; Pentair separates them by voltage for the SuperFlo VST. Prices are typical ranges we saw when we checked. They vary a lot by seller.

First, the warranty split

Every Hayward pump in the table has an online “W3” version and a store-only Expert Line version. Hayward’s own Q&A on the Super Pump VS spells out the difference: the W3SP2603VSP is sold online with a one-year parts-only warranty, and the non-W3 version, available only through authorized retail stores, gets three years parts and one year labor.

Pentair’s online pumps generally carry an EC- prefix (the SuperFlo VST is EC-342001). Pentair’s published e-commerce warranty is one year, parts only, from the purchase date, with no labor, even from an Authorized Pentair Online Reseller. Pentair lists IntelliFlo SVRS pumps as an exception at two years.

Jandy doesn’t warranty its pumps when bought online at all.

So the real choice isn’t just “which pump,” it’s “which pump, bought where, installed by whom.” We walk through all of it in the warranty guide.

How to pick the right size

Bigger isn’t better. The DOE rule standardized pump ratings on total horsepower (THP), and WEF requirements scale with hydraulic horsepower. A 2.7 THP pump on a simple 15,000-gallon pool with 1.5-inch plumbing will mostly loaf at low RPM, which is efficient, but you paid for capacity you don’t use.

A practical way to think about it:

• Replacing a 1 to 1.5 HP single-speed on a plain pool: a 1.5 to 2.2 THP VS pump like the Super Pump VS, MaxFlo VS or SuperFlo VST.
• Pool plus attached spa, spillover, sheer descents, deck jets, solar, or long runs to the pad: a larger pump like the TriStar VS 2.7 or IntelliFlo3 3.0 HP. Hayward lists the TriStar VS 2.7 at up to 160 GPM at 40 feet of total dynamic head.
• Match the plumbing. The Super Pump VS has 2-inch threaded ports (per Hayward), the MaxFlo VS ships with 1.5 x 2-inch unions (per Home Depot’s listing), and the SuperFlo VST has 1.5-inch ports. Pentair markets the SuperFlo VST as a drop-in replacement for the Hayward Super Pump and older SuperFlo pumps.

If you have a pressure-side cleaner, check whether it needs its own booster pump, or whether your new VS pump has to run at a higher speed to drive it. That affects your savings. See robotic vs suction vs pressure cleaners.

The electricity math, honestly

Pump makers advertise savings of “up to 80%” or “up to 90%.” Those claims come with assumptions. Pentair, for example, footnotes its figure as based on a single-speed pump running 12 hours a day at $0.16 per kWh in a 20,000-gallon pool.

The physics behind the savings is real. A centrifugal pump’s power draw falls much faster than its flow: by the pump affinity laws, power scales roughly with the cube of speed. Running at half speed takes, in theory, around one-eighth of the power, while still moving half the water. In practice, motor and drive losses make it less dramatic, but long, slow filtration is where VS pumps win.

For Texas, the EIA reported average residential electricity at 16.06 cents per kWh year-to-date through July 2026, almost exactly Pentair’s assumption. So the manufacturers’ savings scenarios aren’t unrealistic for Texas rates. Your actual savings depend on what your old pump drew and how long you ran it. If you want a real number, a plug-in or clamp-on watt meter on the old and new pump is the only honest way to get it.

The pumps, one by one

Hayward Super Pump VS

The Super Pump is one of the most common pumps on residential pads, and the VS version keeps the familiar housing and footprint. Hayward lists it at 1.65 THP, 230/115 V, with a TEFC motor and WEF 8.6 / 11.7. It has a 110-cubic-inch basket and swing-away knobs on the strainer lid.

Check current price on the Hayward Super Pump VS

Hayward MaxFlo VS

The MaxFlo VS is Hayward’s other common 1.65 THP option. Home Depot’s listing gives a 600–3,000 RPM range, a 1.5 x 2-inch union connector, a permanent-magnet TEFC motor, and a touch-pad control that rotates to four positions or wall-mounts. Both Home Depot and Leslie’s listed the W3SP2303VSP at $1,749 when we checked.

Check current price on the Hayward MaxFlo VS

Hayward TriStar VS 2.7

For bigger hydraulic jobs, Hayward lists the TriStar VS 2.7 at up to 160 GPM at 40 feet of head with WEF 7.3 / 10.1. Retailers list a 600–3,450 RPM range and 2 x 2.5-inch unions. Home Depot also sells a 1.85 HP TriStar VS for less.

Check current price on the Hayward TriStar VS

Pentair SuperFlo VST

Pentair’s value VS pump: 1.5 HP nominal, 2.2 THP, and a TEFC motor that runs on 115 V or 208–230 V, 50 or 60 Hz, without rewiring. Retailer spec sheets list WEF 9.0 at 230 V and 7.3 at 115 V, three programmable speeds with override, a 24-hour real-time clock, and RS-485 for automation. Pentair markets it as a drop-in replacement for the Hayward Super Pump. Prices we saw for the EC-342001 ran roughly $1,100 to $1,650, a wide spread worth shopping.

Check current price on the Pentair SuperFlo VST

Pentair IntelliFlo3 VSF

The IntelliFlo3 is Pentair’s top residential pump, with Wi-Fi control through the Pentair Pool app and what Pentair calls proprietary flow technology that adjusts to hold a target flow as conditions change (a filling filter, for example). Pentair lists the 1.5 HP model (011065) at WEF 9.4 on 115/208–230 V and the 3.0 HP model (011075) at WEF 7.1 on 208–230 V. It can also control two additional pool products with Wi-Fi-enabled automation.

Check current price on the Pentair IntelliFlo3 VSF

Texas-specific advice

Freeze protection. A pump that’s off during a hard freeze is how pad equipment cracks. Pentair’s general warranty terms exclude damage caused by water freezing inside the product. Many VS pumps and automation systems offer a freeze-protection mode, but how it works (built-in sensor, automation-controlled, or a timer) varies by model. Read the manual for your pump, and have a plan for power outages.

Year-round run time. Texas pools filter most of the year. That’s exactly the use case where low-speed, long-duration running pays off.

Heat at the pad. Pumps sit in full sun. TEFC motors are built for outdoor use, but give the pad airflow and don’t box the pump into a tight, unventilated enclosure.

The federal rule. Since July 19, 2021, the DOE has set minimum WEF standards for dedicated-purpose pool pumps. Jandy’s DOE briefing notes the rule doesn’t require all pumps to be variable-speed, but most single-speed pumps above about 1 THP can’t meet it. If you were hoping to swap in a cheap single-speed, that option has largely gone away for in-ground replacements.

Our picks

• Most pools, best value: Pentair SuperFlo VST if you’re installing it yourself and price matters most.
• Most pools, Hayward pad: Hayward Super Pump VS, or its Expert Line version from a dealer if a pro is installing it.
• Spas, water features, long runs: Hayward TriStar VS 2.7 or Pentair IntelliFlo3 3.0 HP.

Comparing the two most common replacement pumps head to head? Read Hayward Super Pump VS vs Pentair SuperFlo VST.