Pentair 190035 standpipe outlet assembly with white tube, gray top collar, and black 90-degree elbow fitting.

Pentair Standpipe Outlet Assembly for FNS Plus 36 sq ft Filter — FNS Plus Series | 190035

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SKU:
190035
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About This Item

The Pentair Standpipe Outlet Assembly (190035) is the OEM replacement standpipe outlet assembly for the Pentair FNS Plus 36 sq. ft. vertical grid D.E. filter. At 10-3/8 inches tall, this is the correct standpipe for the 36 sq. ft. model — confirm your filter model before ordering, as standpipe assemblies are size-specific across the FNS Plus line.

The standpipe outlet assembly forms the central flow path inside the FNS Plus filter tank, directing filtered water from the grid assembly to the outlet port. A damaged or cracked standpipe allows unfiltered water to bypass the D.E. grids entirely, compromising water clarity and allowing D.E. media to pass into the pool return. Replacing a failed standpipe restores the filter's sealed internal flow path and returns the system to full filtration efficiency.

Specifications

Pentair Part Number 190035
Part Name Assembly, standpipe, outlet, 36 sq. ft. filter
Height 10-3/8 in.
Quantity Included Each

Fits Into

Brand Equipment Line Model / Part Number Notes
Pentair FNS Plus Filter — FNS Plus Series FNS PLUS 36 Standpipe outlet assembly, 36 sq. ft. filter, 10-3/8 in. tall

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

Standpipe assemblies are not interchangeable across FNS Plus filter sizes — the 36 sq. ft. model uses a different standpipe height than the 48, 60, and 72 sq. ft. models. Before ordering, confirm your filter's square footage rating on the label affixed to the tank body. If D.E. powder is appearing in your pool returns, inspect the standpipe for hairline cracks at the outlet collar — this is the most common failure point and is often missed during a visual inspection at normal light angles.

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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