Description
AquaStar 4-Inch White Wall Fitting – 1-1/2" MPT, Model 415T101
Introducing the AquaStar Wall Fitting: a purpose-built, 4-inch in-wall connection designed for secure, clean finishes in pool plumbing. This American-made fitting delivers dependable performance for new builds or renovations, blending with a wide range of pool interiors.
- 4" flange diameter: Provides sturdy mounting and a professional, seamless look at the pool wall.
- 1-7/8" HS (hex size): Enables precise, comfortable installation with standard hand tools.
- 1-1/2" MPT (male pipe thread): Compatible with common pool piping and fittings for flexible connections.
- White finish: Timeless, unobtrusive appearance that harmonizes with most pool finishes and environments.
- American-made: Designed and manufactured in the USA for reliable quality and sourcing you can trust.
- Model 415T101: Ensures a consistent, tested AquaStar performance standard across installations.
Benefits: A robust interface between the pool shell and internal piping, the AquaStar 4-inch wall fitting helps prevent leaks and supports smooth, reliable water flow over years of sun exposure and chemical use. Its sturdy flange, standard MPT threading, and clean white aesthetic simplify maintenance, upgrades, and professional installations—making it a preferred choice for new pools and renovations that demand durability, reliability, and a clean, professional finish.
The AquaStar Wall Fitting is a purpose-built, 4-inch diameter in-wall connection designed to deliver a secure, clean finish for pool plumbing. Crafted with the same commitment to reliability you expect from AquaStar, this white wall fitting brings dependable performance to every installation. Made in the USA, it reflects AquaStar’s promise of American-made quality that stands up to years of sun exposure, chemicals, and regular use, while delivering a look that blends seamlessly with most pool interiors.
Key features that set this wall fitting apart
- 4" diameter flange for sturdy mounting and a clean, professional appearance.
- 1-7/8" HS (hex size) for precise, comfortable installation with standard tools.
- 1-1/2" MPT (male pipe thread) compatibility with common pool piping and fittings.
- White finish that maintains a timeless, unobtrusive look in a variety of pool finishes.
- Model 415T101 ensures a consistent, tested AquaStar performance standard across installations.
- American-made—designed and manufactured in the USA for quality you can trust and sourcing reliability you can count on.
Why this wall fitting matters
In any pool project, securing a reliable wall connection is essential to prevent leaks and ensure smooth water flow. The AquaStar Wall Fitting provides a robust interface between the pool shell and internal piping, helping to:
- Create a durable, long-lasting connection that withstands constant water contact.
- Offer a professional, finished look that enhances overall pool aesthetics.
- Support straightforward maintenance and potential future upgrades with standard MPT piping.
Ideal use cases
- New pool builds where a clean, dependable in-wall connection is required.
- Renovations or repairs that involve replacing damaged wall fittings with a trusted, USA-made option.
- Pools and spas that demand a white, unobtrusive appearance while delivering reliable performance.
Practical installation tips
- Ensure proper seating against the pool wall and use an appropriate gasket or sealant rated for water applications to minimize leaks.
- When threading 1-1/2" MPT connections, apply a light, even amount of thread sealant designed for potable water to create a secure seal without excess buildup.
- Confirm the HS (hex size) tooling fits your installation tools for a snug, secure fit without overtightening.
- For concrete or plaster walls, follow standard installation best practices to maintain structural integrity around the fitting.
Choosing AquaStar means opting for American-made confidence, built to deliver the very best look, feel, and performance across the life of your pool. The AquaStar Wall Fitting (415T101) combines practical dimensions with durable construction, giving you a reliable connection that’s ready for years of pool operation.

