Pentair WhisperFlo VST Variable Speed Pump | 011533

OEM Pentair WhisperFlo VST Variable Speed Pool Pump 011533. The Pentair WhisperFlo VST Variable Speed Pool Pump (Model 011533) combines power, energy efficiency, and smart technology. With a 2.6 Total Horsepower (THP) motor and an Energy Star® certification, it delivers optimal performance while significantly lowering energy costs. Ideal for in-ground pools needing up to 2.0 HP, this pump features a TEFC motor for quiet, long-lasting operation and a WEF rating of 8.4 for maximum efficiency.

Its onboard digital interface allows easy control of three programmable speed settings and an override function. The RS-485 port enables integration with pool automation systems for enhanced control. Designed for compatibility with 115V–230V at 50/60Hz, it installs easily as a direct replacement for older Pentair WhisperFlo models.

Specification

Highlights

• Energy-Efficient Performance: 2.6 THP motor with 8.4 WEF reduces operational costs
  
• Quiet & Durable Motor: TEFC design ensures longevity and quiet operation
  
• Smart Control: Digital interface with 24-hour clock and 3 customizable speed settings
  
• Automation Ready: RS-485 connectivity supports pool automation systems
  
• Flexible Installation: Drop-in replacement for previous WhisperFlo pumps; works with 115V or 230V

Pentair WhisperFlo VST Variable Speed Pool Pump | Model 011533

The OEM Pentair WhisperFlo VST (011533) is a high-efficiency, Energy Star® certified variable speed pump built for quiet operation, durability, and energy savings. Perfect for in-ground pools requiring up to 2.0 HP, it delivers 2.6 Total Horsepower (THP), integrates with automation systems, and installs easily as a direct replacement for older WhisperFlo models.

High-Efficiency Performance

2.6 Total Horsepower (THP)

Delivers strong, reliable flow for pool filtration, water features, and high-head applications.

8.4 Weighted Energy Factor (WEF)

Rated for maximum efficiency, helping lower energy costs year-round.

Energy Star® Certified

Saves up to 90% in energy consumption compared to single- or two-speed pumps.

Quiet, Long-Lasting Motor

Totally Enclosed Fan-Cooled (TEFC) Motor

Reduces noise and protects against heat and harsh environmental conditions.

Durable Mechanical Seal

Engineered for long-term performance in chemical-rich environments.

Smart, Programmable Control

Onboard Digital Interface

Includes 24-hour clock, three programmable speed settings, and manual override.

RS-485 Automation Port

Supports seamless integration with pool automation and smart home systems.

Easy Retrofit & Versatile Power

Direct Replacement

Compatible with previous Pentair WhisperFlo models with no re-plumbing required.

Dual Voltage Operation

Runs on 115V or 230V, 50/60Hz without the need for special wiring.

Technical Specifications

Key Product Details

• Model: 011533

• WEF: 8.4

• THP: 2.6

• HHP: 1.64

• Service Factor: 1.0

• Max Input Voltage: 115/208–230V

• Frequency: 50/60Hz

• Full Load Amps: 13.9 / 11.1–10.1 A

• Port Size: 2" x 2" NPT

• Weight: 45 lbs

• Certifications: UL, NSF/ANSI 50

• Availability: Dealer only