Product Overview

Pentair WhisperFlo VST (011533) – 2.6 HP Variable Speed Pool Pump
The WhisperFlo VST is Pentair’s high-performance, ultra-quiet variable-speed pump designed for maximum power, reliability, and efficiency. With a 2.6 HP permanent-magnet motor and digital controls, it delivers the perfect balance of high flow and low energy use — making it ideal for larger residential pools or demanding hydraulic systems.

• Horsepower: 2.6 HP

• Voltage: 230 V Single Phase, 60 Hz

• Speed Range: 600 – 3450 RPM

• Warranty: 2 Years (when professionally installed)

Call-out Badges: Energy Efficient • Variable Speed • Ultra Quiet • DOE Compliant

Ideal For

• Large residential pools or pools with multiple water features

• Upgrading from traditional single-speed WhisperFlo® pumps

• Energy-conscious homeowners wanting maximum efficiency and quiet operation

• Builders or service professionals looking for a powerful retrofit option

Key Features

2.6 HP Variable-Speed Motor — Permanent-magnet, totally enclosed fan-cooled (TEFC) motor delivers superior performance and reliability.
Why it matters: Provides high flow for large pools while dramatically reducing energy use.

Ultra-Quiet Operation — Redesigned hydraulic system and motor technology minimize sound levels.
Why it matters: Whisper-quiet operation keeps the backyard peaceful.

Easy Digital Control Panel — Built-in keypad allows speed programming, scheduling, and real-time monitoring.
Why it matters: Simplifies daily operation and saves time.

Energy Star Certified — Exceeds U.S. Department of Energy (DOE) requirements for pool pump efficiency.
Why it matters: Lower energy bills and eco-friendly performance.

Automation Ready — Integrates seamlessly with Pentair IntelliCenter®, IntelliTouch®, and EasyTouch® control systems.
Why it matters: Enables full smart-pool automation and remote management.

Benefits

• Maximum Efficiency: Operates only as fast as needed, reducing electricity costs by up to 80%

• Long Service Life: TEFC motor and advanced hydraulics minimize wear and heat buildup

• Quiet Performance: Ideal for residential installations where low sound levels are critical

• Simple Setup: Built-in controller eliminates need for external automation (optional)

• DOE Compliant: Meets current energy regulations for variable-speed pool pumps

Specs & What’s in the Box

Specifications

• Total Horsepower: 2.6 HP

• Voltage: 230 V, single-phase

• Speed Range: 600 – 3450 RPM

• Motor Type: Permanent Magnet, TEFC
  

• Display: Onboard digital keypad with 24-hour clock

• Energy Compliance: DOE & Energy Star Certified

In the Box

• Pentair WhisperFlo VST Variable Speed Pump (011533)
  

• Installation manual and quick-start guide

Compatibility & Replacements

Works with: In-ground residential pools, spas, and water feature systems
Replaces: Single-speed WhisperFlo® and SuperFlo® pumps of equivalent horsepower
Not compatible with: Three-phase commercial systems or applications requiring external VFDs

Trust Builders

• ⭐⭐⭐⭐⭐ Pentair’s premium high-horsepower residential pool pump

• Exceeds DOE energy-efficiency standards

• Backed by a two-year limited warranty (three years with professional installation)

• Supported nationwide through Pentair’s dealer and service network

Install Steps (Compact)

1. Disconnect power and remove existing pump

2. Mount WhisperFlo VST level on the equipment pad

3. Connect plumbing using included 2” unions

4. Wire to 230 V power per Pentair’s installation guide

5. Prime the pump, program desired speeds, and verify operation