Pentair Sight Glass 2 In. Clear for Hi-Flow & Slide Valves | 154566Z
Pentair Pool Products and Parts

Pentair Sight Glass 2 In. Clear for Hi-Flow & Slide Valves | 154566Z

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SKU:
154566Z

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About This Item

The Pentair Sight Glass 2 In. Clear (154566Z) is the OEM replacement sight glass for Pentair's 2 In. Hi-Flow Valve and 2 In. PVC Slide Valve series.

The clear sight glass provides a visual inspection port on the valve body, allowing you to confirm water flow and clarity without disassembling the valve. A cracked, clouded, or leaking sight glass compromises your ability to monitor valve operation and can allow water to escape the system at the valve housing — replacing it with the correct OEM part restores both function and a watertight seal.

Specifications

Pentair Part Number 154566Z
Part Name Sight Glass 2 In. Clear
Quantity Included Each

Fits Into

Brand Equipment Line Model / Part Number Notes
Pentair 2 In. Hi-Flow Valve — Hi-Flow Series 261049 2 In. Hi-Flow Valves
Pentair 2 In. Hi-Flow Valve — Hi-Flow Series 261050 2 In. Hi-Flow Valves
Pentair 2 In. Hi-Flow Valve — Hi-Flow Series 261142 2 In. Hi-Flow Valves
Pentair 2 In. PVC Slide Valve — Slide Valve Series 261047 2 In. PVC Slide Valve; 2 in. clear sight glass
Pentair 2 In. PVC Slide Valve — Slide Valve Series 261165 2 In. PVC Slide Valve; 2 in. clear sight glass

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.

Poolaroo Pro Tip

Before ordering, confirm your valve model number against the list above — the Hi-Flow and Slide Valve series use the same sight glass, but verify your valve's model number plate matches one of the models listed. Inspect the threaded nipple on your existing sight glass for any thread damage or sealant buildup before installation; clean threads thoroughly to ensure a leak-free fit on the new part.

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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