PENTAIR

IntelliFlo3®​ Variable Speed & Flow Pool Pump with I/O Board 3.0 HP

SKU: 011076

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Pool Pump Size Guide

Choosing the correct pool pump depends on pool size, plumbing size, and system features (heater, spa, water features, etc.). Bigger is not always better – an oversized pump wastes energy and can damage equipment.

Determine Your Pool Size

Rectangular Pool
Length × Width × Average Depth × 7.5 = Gallons

Round Pool
Diameter × Diameter × Average Depth × 5.9 = Gallons

Recommended Pump Size by Pool Volume

Pool Size (Gallons) Typical Pump Size
Up to 10,000 3/4 HP – 1 HP
10,000 – 20,000 1 HP – 1 1/2 HP
20,000 – 30,000 1 1/2 HP – 2 HP
30,000 – 40,000 2 HP – 2 1/2 HP
40,000+ 2 1/2 HP – 3 HP

⚠️ Note: Modern variable-speed pumps often replace larger single-speed pumps at lower HP ratings due to higher efficiency.

Plumbing Size Matters (Very Important)

Pipe Size Recommended Max
1 1/2″ PVC Up to 1 1/2 HP
2″ PVC Up to 3 HP
2 1/2 – 3″ PVC 3HP +

Oversizing a pump on small plumbing can cause:

  • Excessive noise
  • Poor filtration
  • Heater & filter damage

Pump Type Comparison

Single-Speed Pumps

  • Lower upfront cost
  • Higher electricity usage
  • Becoming obsolete in many states

Best for: Basic systems, budget replacements

Dual-Speed Pumps

  • High & low speed operation
  • Lower energy cost than single-speed

Best for: Simple upgrades where VS is not required

Variable-Speed Pumps (Recommended)

  • Most energy efficient
  • Quiet operation
  • Programmable speeds
  • Often utility rebate eligible

Best for: Nearly all residential pools

???? A 1.65–2.7 THP variable-speed pump can replace most 1 1/2 – 3 HP single-speed pumps.

Systems That Require a Larger Pump

You may need a larger pump if your pool has:

  • Spa spillover
  • Waterfalls or deck jets
  • Solar heating
  • In-floor cleaning system
  • Long plumbing runs

Common Sizing Mistakes

❌ Choosing HP only (ignore flow & plumbing)
❌ Oversizing “just to be safe”
❌ Ignoring filter and heater flow limits

✅ Always size for flow rate (GPM), not just horsepower.

Still Not Sure?

If you’re replacing an existing pump, check the motor label for:

  • HP
  • THP (Total Horsepower)
  • Voltage
  • Plumbing size

If you’re unsure, contact us and we’ll help you choose the correct pump.

QUIETLY POWERFUL, BRILLIANTLY EFFICIENT

The award-winning IntelliFlo3 VSF Pump is the pinnacle of new Pentair Pool technology, connecting with the Pentair Pool and Pro apps to allow pool owners and professionals to monitor and control anytime, anywhere. With the ability to connect two additional pool equipment products with Wi-Fi enabled automation, the IntelliFlo3 pump boasts innovative flow technology and a quiet operation, representing the future of efficient pool maintenance and ownership.

  • Proprietary flow technology maintains the pool’s optimal flow, adjusting to pool conditions and helping pool owners save up to 90% in energy consumption**
  • Only pump with Wi-Fi enabled automation; unlocks the ability to connect two additional pool products for more streamlined pool management
  • Optional touchscreen adds a modern touch and easy local operation for on-site professionals and pool owners
  • Quieter performance compared to single speed pumps, ensuring a more desirable backyard pool experience
  • Available in two horsepower options: 1.5 and 3.0 HP to suit a variety of pools
  • ENERGY STAR® Certified and compliant with the Department of Energy’s latest standards on variable speed pumps

TRANSFORMING THE POOL

Roughly 20 years ago, Pentair brought the variable speed and flow technology to the U.S. — a transformative innovation that remains the cornerstone of the pool industry. And that innovation continues today with the IntelliFlo3 pump.

QUIETER OPERATION, SUPERIOR PERFORMANCE

The IntelliFlo3 pump performs more quietly compared to single speed pumps. Check out how the pump’s sound compares at various distances.

ENERGY STAR CERTIFIED

The IntelliFlo3 pump is ENERGY STAR certified, providing homeowners with peace of mind that this pump is a reliable and energy-saving pool product.

Additional information

Weight 55.00 lbs
Dimensions 30.00 × 17.00 × 19.00 in
Max Water Flow

Port Size

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Voltage

Horsepower

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