Pentair Diffuser 3.0 HP | IntelliFlo3 / IntelliPro3 VSF Pool Pump | 356156Z
Pentair Pool Products and Parts

Pentair Diffuser 3.0 HP | IntelliFlo3 / IntelliPro3 VSF Pool Pump | 356156Z

$60.99
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SKU:
356156Z

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About This Item

The Pentair Diffuser (356156Z) is the OEM replacement diffuser for the IntelliFlo3 and IntelliPro3 Variable Speed and Flow pool pumps — specifically the 3.0 HP models.

What It Does

The diffuser channels water from the impeller into the pump's volute, converting rotational velocity into pressure to maintain consistent flow through your circulation system. A cracked, worn, or damaged diffuser reduces hydraulic efficiency and can cause the pump to lose prime or deliver reduced flow at all speed settings. Replacing it with the correct OEM part restores the pump's designed performance characteristics.

Specifications

Pentair Part Number 356156Z
Part Name Diffuser, 3.0 HP
Quantity Included Each (1)

Fits Into

Brand Equipment Line Model / Part Number Notes
Pentair IntelliFlo3 VSF 3.0HP — IntelliFlo3 / IntelliPro3 Series IntelliFlo3 3.0 HP models only
Pentair IntelliPro3 VSF 3.0HP — IntelliFlo3 / IntelliPro3 Series IntelliPro3 3.0 HP models only

Compatibility is based on Pentair parts documentation and available OEM records. This is not an exhaustive list. For certainty, verify the part number in your equipment's manual or on the original part itself before ordering.

Pro Tip

This diffuser is rated for the 3.0 HP configuration only — do not install it in the 1.5 HP or 2.0 HP variants of the IntelliFlo3 / IntelliPro3 series, as diffuser geometry is HP-specific. Before ordering, confirm the horsepower rating on your pump's nameplate matches 3.0 HP, and compare the part number molded into your existing diffuser against 356156Z.

CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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Pentair Pool Products and Parts

About Pentair Pool Products and Parts

Pentair is often considered the "gold standard" for pool professionals, and for good reason. Founded in 1966 (originally by five inventors making high-altitude balloons!), the company has evolved into the global leader in smart, sustainable water solutions. For the DIY homeowner, Pentair represents the intersection of rugged durability and silicon valley-tier technology. They pioneered the Variable Speed Pump revolution with the IntelliFlo®, saving American pool owners millions in energy costs. Today, their ecosystem focuses heavily on automation, allowing you to control your pump, heater, lights, and chemistry from a single app. While they are a favorite among professional builders, their "EC" (E-Commerce) line of equipment allows homeowners to access pro-grade technology with valid warranties for DIY installation.

Why We Trust Pentair Pool Products and Parts
Energy Efficiency Leaders: Recipient of the ENERGY STAR® Partner of the Year award for over a decade; their pumps are designed to pay for themselves in energy savings.

Smart Automation: The Pentair Home App and IntelliCenter systems offer best-in-class control over your pool ecosystem from anywhere in the world.

Professional Pedigree: The brand most often recommended and installed by pool builders for high-end residential pools.

Eco-Conscious: Dedicated to reducing water waste and energy consumption through "Green" technology innovations.

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