{"product_id":"aquastar-wall-fitting-4-inch-diameter-with-2-3-8-inch-hs-and-2-inch-mpt-to-1-1-2-inch-slip-dark-grey-42ot15s105","title":"AquaStar Wall Fitting 4 Inch Diameter with 2-3\/8 Inch HS and 2 Inch MPT to 1-1\/2 Inch Slip Dark Grey 42OT15S105","description":"\u003cdiv\u003e\n\u003ch1\u003eAquaStar Wall Fitting 4 Inch Diameter Dark Grey\u003c\/h1\u003e\n\u003cp\u003eThe AquaStar Wall Fitting is a precision-made, American-crafted wall connection designed to deliver a reliable, clean look for pool plumbing. It’s ideal for new builds, remodels, and service upgrades, providing a ready-to-plumb 4\" opening that keeps installations neat and professional.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eExact 4\" wall opening\u003c\/b\u003e: Ensures a precise, professional fit that minimizes trimming and yields a tidy installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDual connection options\u003c\/b\u003e: 2-3\/8\" HS interface and 2\" MPT to 1-1\/2\" Slip transition support both threaded and slip-fit configurations for flexible piping and hose routing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDark Grey finish\u003c\/b\u003e: Durable, UV- and water-resistant coating that blends with pool interiors while resisting sun exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAmerican-made quality\u003c\/b\u003e: Proudly manufactured in the USA to ensure consistent craftsmanship and compatibility with the AquaStar ecosystem.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModel\u003c\/b\u003e: 42OT15S105, a robust, purpose-built wall fitting designed for long-lasting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSystem compatibility\u003c\/b\u003e: Designed to pair seamlessly with other AquaStar fittings for a cohesive, maintenance-friendly pool system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis wall fitting helps address common pool-install challenges by providing a standard, reliable 4\" wall opening paired with proven connection sizes. The result is reduced leak-prone joints, easier future upgrades, and a durable wall connection that maintains strong water flow and a clean, low-profile aesthetic.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003eIntroducing the AquaStar Wall Fitting — a precision-made, American-crafted connection designed to elevate your pool plumbing with reliability and a clean, seamless appearance. This 4\" diameter wall fitting features a 2-3\/8\" HS interface and a 2\" MPT to 1-1\/2\" Slip transition, finished in a durable Dark Grey that resists sun and water exposure while staying subtle against pool surroundings. Model: 42OT15S105.\u003c\/p\u003e \u003ch2\u003eWhy this AquaStar Wall Fitting stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact 4\" wall opening\u003c\/strong\u003e provides a precise, professional fit that minimizes trimming and ensures a tidy installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlexible connection options\u003c\/strong\u003e with a 2-3\/8\" HS interface and a 2\" MPT to 1-1\/2\" Slip transition, enabling both threaded and slip-fit configurations for compatible piping and hoses.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDark Grey finish\u003c\/strong\u003e blends with typical pool interiors and hardware, delivering a cohesive, low-visibility look while maintaining standout performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmerican-made quality\u003c\/strong\u003e — AquaStar Pool Products are designed and manufactured solely in the USA, ensuring consistent craftsmanship, reliable performance, and alignment with trusted industry standards.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated with AquaStar ecosystems\u003c\/strong\u003e designed to pair smoothly with other AquaStar fittings for a streamlined, maintenance-friendly pool system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat problems this wall fitting solves\u003c\/h2\u003e\n\u003cp\u003eMany pool installations struggle with mismatched openings, leaks, and bulky hardware. The AquaStar Wall Fitting delivers a precise, purpose-built solution: a standard 4\" wall opening paired with proven connection sizes (2-3\/8\" HS and 2\" MPT-1-1\/2\" Slip) that reduce guesswork, improve water flow, and simplify future maintenance or upgrades. The result is a cleaner aesthetic, fewer leak-prone joints, and a more durable, long-lasting wall connection.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eNew pool builds where a robust, ready-to-plumb wall connection is required\u003c\/li\u003e \u003cli\u003eRemodels and upgrades to replace aging wall fittings with a modern, American-made component\u003c\/li\u003e \u003cli\u003eRepairs on service calls needing a reliable 4\" wall opening with flexible threading\/slip options\u003c\/li\u003e \u003cli\u003eInstallations that prioritize a cohesive AquaStar system, ensuring compatibility with existing AquaStar fittings\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation and care in practical terms\u003c\/h2\u003e\n\u003cp\u003eFor best results, align the AquaStar Wall Fitting with compatible AquaStar piping and seals. The dual functionality (2-3\/8\" HS and 2\" MPT-1-1\/2\" Slip) provides flexible routing options, helping you achieve a secure, leak-resistant connection with fewer adjustments. When assembling, follow standard AquaStar installation guidelines, ensure surfaces are clean and dry, seat gaskets properly, and tighten connections to the recommended snug fit without over-torquing. Regular inspections during the pool season will help maintain optimal performance and longevity.\u003c\/p\u003e \u003ch2\u003eWho benefits most\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eProfessional pool installers and service technicians seeking dependable, American-made components\u003c\/li\u003e \u003cli\u003eDIY pool owners performing upgrades or remodels who value a precise fit and long-term durability\u003c\/li\u003e \u003cli\u003eHomeowners enhancing pool aesthetics with a low-profile, dark grey hardware finish\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the AquaStar Wall Fitting for a USA-made, purpose-built connection that delivers precise sizing, flexible installation options, and a clean, integrated look in your pool system. Model 42OT15S105 brings together durability, compatibility, and American craftsmanship in a single, reliable wall-fit solution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"AquaStar Pool Products","offers":[{"title":"Default Title","offer_id":40241255972906,"sku":"42OT15S105","price":15.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4014\/1354\/products\/55-300-1014_XL.jpg?v=1769976077","url":"https:\/\/bathparts.com\/products\/aquastar-wall-fitting-4-inch-diameter-with-2-3-8-inch-hs-and-2-inch-mpt-to-1-1-2-inch-slip-dark-grey-42ot15s105","provider":"Bath \u0026 Spa Superstore","version":"1.0","type":"link"}