Meet the AquaStar Wall Fitting (model 415T103) — a 4-inch diameter through-wall fitting finished in Light Grey. Designed and manufactured right here in the USA, this component brings together dependable performance, precise fit, and a clean, professional look for any pool build or upgrade.
Why choose AquaStar — enduring value from American craftsmanship. This wall fitting is built to withstand chlorine, salt, and sun exposure while preserving a low-profile, seamless appearance around your pool shell. The Light Grey finish blends naturally with plaster, tile, and coping, so your equipment sits discreetly without compromising style.
Key specifications
- Diameter: 4 inches
- Connection: 1-7/8" HS
- Threaded connection: 1-1/2" MPT
- Finish: Light Grey
- Model: 415T103
- Made in the USA
Who this is for
This wall fitting is ideal for pool builders, service technicians, and DIY enthusiasts upgrading returns, drains, or through-wall connections. It’s designed to integrate smoothly with standard pool piping and AquaStar components, delivering a cohesive system with fewer compatibility concerns.
Use cases and benefits
- New pool projects where a robust, aesthetically clean through-wall connection is required
- Renovations that replace aging fittings with a modern 4" wall fitting
- Saltwater or chlorinated pools where corrosion resistance and long-term reliability matter
Installation and maintenance tips
- Prepare a 4-inch wall opening that matches the flange for a proper seal and alignment
- Dry-fit first to verify orientation before sealing or threading
- For the 1-1/2" MPT threads, apply an appropriate thread sealant or Teflon tape and tighten to a secure,Leak-free fit (avoid overtightening)
- Use compatible gaskets or seals recommended for AquaStar fittings to ensure a watertight installation
- After installation, perform a pressure test and inspect for leaks; periodic cleaning with mild soap and water will help maintain the finish
Upgrade your pool infrastructure with the reliability of AquaStar — American-made quality that stands up to real-world use while delivering a clean, integrated look behind every wall fitting.
