Pentair Wall Fitting/Inlet Fitting [1-1/2"MPT] [Slotted Orifice] [Black] (540001)

Type:	Fittings & Valves: Inlet/Outlet
Mfr	Pentair Pool Products
Mfg Part #	540001
Hzn Part #	55-110-3261

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TAGS: inletoutlet, pentairpool, pvcfittings

Details

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SEE REPLACEMENT PART: OBSOLETE

Pentair Wall Fitting/Inlet Fitting [1-1/2"MPT] [Slotted Orifice] [Black] is a pool and spa plumbing fitting used to manage return flow, inlet direction, wall connection, or equipment-side plumbing configuration. These fittings are often selected during equipment repairs, renovation work, new plumbing layouts, or replacement of cracked and sun-worn components. The exact connection size, thread type, color, and orifice specification matter because they affect fit, water movement, and the finished appearance of the installation. The listed specifications for this item include 1-1/2"MPT, Slotted Orifice, Black, which can help confirm the correct configuration before ordering. Compare the current fitting to the listed 1-1/2 inch MPT connection and orifice detail before ordering. Proper replacement helps maintain the intended flow pattern while keeping the pool or spa wall connection clean and secure.

For this specific item, use part number 540001 as the primary reference when checking fitment. The vendor listed for this product is Pentair Pool Products, and the category is Fittings & Valves: Inlet/Outlet, which helps identify the most likely equipment area but should not replace direct comparison with the original part. If the old part is still available, compare connection points, mounting locations, color or finish, molded markings, and any printed service numbers before installing the replacement.

Replacement inlet or wall fitting for compatible pool and spa plumbing
Helps direct or regulate return water flow depending on orifice style
Match connection size, thread type, color, and opening size before ordering
Useful for repairs, renovations, and replacement of worn fittings
Inspect wall threads and surrounding surfaces before installation

Pentair Pool Products – Pool Pumps, Filters, Heaters, Automation Systems and Parts

Who is Pentair Pool Products?

Pentair Pool Products is a global leader in pool and spa equipment, known for innovative, high-performance solutions used in residential and commercial pools. With decades of industry leadership, Pentair has built a reputation for engineering excellence, reliability, and energy-efficient technology. Their equipment is widely trusted by pool professionals and homeowners for maintaining clean, safe, and efficient pool systems.

What products does Pentair Pool Products specialize in?

Pentair specializes in a full range of pool and spa equipment, including pool pumps, filters, heaters, automation systems, cleaners, lighting, valves, and replacement parts. Their product lineup features industry-leading technologies such as variable speed pumps, cartridge and sand filtration systems, gas heaters, salt chlorine generators, and smart pool automation controls. These products are designed to optimize water circulation, filtration, and overall system performance.

Why choose Pentair Pool Products parts for your pool or spa?

Pentair products are known for durability, energy efficiency, and advanced technology. Their equipment is engineered to reduce energy consumption, improve water quality, and extend the lifespan of pool systems. Pool owners and professionals choose Pentair for reliable, high-performance solutions that simplify maintenance and lower operating costs.

How do you identify and choose the correct Pentair Pool Products part?

To select the correct Pentair part, it’s important to match your equipment model, part number, and system specifications such as horsepower, filter type, or connection size. Reviewing product manuals and compatibility ensures proper fit and performance. Choosing the right part helps maintain system efficiency and prevents costly issues.

Need help finding the right Pentair Pool Products part?

At Bath & Spa Parts Online, we carry a wide selection of Pentair Pool Products pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support.