Product Overview

Pentair IntelliFlo3 VSF (011066) – 1.5 HP Variable Speed & Flow Pool Pump with I/O Relay Board
The IntelliFlo3 VSF 1.5 HP is the compact, energy-efficient member of Pentair’s IntelliFlo3 lineup. It offers the same smart control, variable flow precision, and built-in WiFi as the larger models — in a smaller form factor perfect for standard residential pools. Designed for quiet operation and easy automation, it’s the intelligent choice for efficient pool circulation.

• Horsepower: 1.5 HP

• Voltage: 230 V Single Phase, 60 Hz

• Speed Range: 450 – 3450 RPM

• Includes: I/O Relay Board for external device control

• Warranty: 3 Years (when professionally installed)

Call-out Badges: Built-In WiFi • Variable Flow Technology • Smart Automation • DOE Compliant

Ideal For

• Standard in-ground residential pools requiring high efficiency and quiet performance

• Homeowners upgrading from single-speed or dual-speed pumps to smart variable-speed technology

• Builders seeking a compact, automation-ready pump with premium control features

• Energy-conscious users wanting professional-grade performance in smaller systems

Key Features

Variable Speed & Flow (VSF) Technology — Maintains constant flow by automatically adjusting speed based on system demand.
Why it matters: Consistent filtration and optimal hydraulic efficiency for your pool equipment.

Built-In WiFi and App Control — Connect directly to the Pentair Home App for complete setup, scheduling, and remote operation.
Why it matters: Manage your pump from anywhere with your smartphone or tablet.

Integrated I/O Relay Board — Provides connections for external equipment such as lights, chlorinators, or heaters.
Why it matters: Adds smart automation without needing a separate control panel.

Energy-Efficient TEFC Motor — Permanent-magnet motor delivers superior efficiency and ultra-quiet performance.
Why it matters: Saves energy while extending pump life and reducing noise.

Compact Design — Ideal for equipment pads with limited space or retrofit installations.
Why it matters: Fits most existing plumbing setups for easy upgrades.

Benefits

• Energy Savings: Meets DOE and Energy Star standards with up to 90% lower energy use than single-speed pumps

• Smart Control: Full remote access via the Pentair Home App and WiFi

• Quiet Performance: Advanced hydraulics and TEFC motor reduce vibration and noise

• Flexible Integration: Works standalone or with Pentair IntelliCenter®, IntelliTouch®, or EasyTouch® systems

• Durable Build: Corrosion-resistant housing and robust motor for long service life

Specs & What’s in the Box

Specifications

• Total Horsepower: 1.5 HP

• Voltage: 230 V Single Phase

• Speed Range: 450 – 3450 RPM

• Flow Control: Variable Flow & Speed Technology

• Motor Type: Permanent Magnet, TEFC

• Communication: Built-In WiFi + RS-485 + I/O Relay Board

• Energy Compliance: DOE & Energy Star Certified

• Union Connections: 2" plumbing ports

In the Box

• Pentair IntelliFlo3 VSF 1.5 HP Pump (011066)

• I/O Relay Board (pre-installed)

• (2) Union fittings

• Installation manual and quick-start guide

Compatibility & Replacements

Works with: Pentair IntelliCenter®, IntelliTouch®, and EasyTouch® automation systems
Replaces: IntelliFlo2 VS (011018) and other single/dual-speed pumps of similar HP
Not compatible with: Three-phase systems or automation setups requiring separate interface kits

Trust Builders

• ⭐⭐⭐⭐⭐ Pentair’s smartest mid-size residential pool pump

• Industry-leading 3-year warranty with professional installation

• Supported nationwide by Pentair’s authorized dealer and service network

• Designed and assembled in the USA

Install Steps (Compact)

1. Disconnect power and remove existing pump

2. Mount IntelliFlo3 VSF level on the equipment pad

3. Connect plumbing using included 2" union fittings

4. Wire to 230 V power supply and connect relay board if needed

5. Power on, pair with the Pentair Home App, and configure flow/speed schedules