{"product_id":"waterway-plastics-400-9180-econ-insider-inlet-slip-return-1-inch","title":"Waterway Plastics 400-9180 Econ Insider Inlet Slip Return - 1 inch","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003e\nThe Waterway Plastics 400-9180 Econ Insider inlet slip return is used to deliver filtered water back into a pool or spa from the circulation system. It installs as part of a wall return assembly and connects to 1 inch plumbing lines behind the shell. This style of return is commonly found in residential pools and spas using compact return fittings. It provides controlled water direction at the return point.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003e\nReturn fittings directly influence circulation efficiency and water movement. A damaged or mismatched return can create dead zones, uneven flow, or turbulence at the wall. Using the correct insider inlet ensures the return assembly seats properly and maintains consistent water delivery. Proper flow helps improve filtration performance and overall water quality.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer part number 400-9180\u003c\/li\u003e\n  \u003cli\u003eEcon Insider inlet slip return\u003c\/li\u003e\n  \u003cli\u003e1 inch slip plumbing connection\u003c\/li\u003e\n  \u003cli\u003eUsed in pool and spa return assemblies\u003c\/li\u003e\n  \u003cli\u003eInstalls behind wall-facing return fittings\u003c\/li\u003e\n  \u003cli\u003eSupports directional water flow control\u003c\/li\u003e\n  \u003cli\u003eCompatible with select Waterway return systems\u003c\/li\u003e\n  \u003cli\u003eOEM Waterway Plastics component\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003e\nThis inlet installs on the plumbing side of the wall return assembly using solvent cement. It is typically set during initial installation or replaced during return fitting service. Installers ensure proper depth and alignment before securing the wall fitting. Confirm by manufacturer part number before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAbout the Waterway Plastics Brand\u003c\/strong\u003e\u003cbr\u003e\nWaterway Plastics is a trusted manufacturer of pool and spa circulation components. Their return fittings are widely used by builders and service professionals. Waterway focuses on dimensional consistency and long-term reliability. Many circulation systems rely on their OEM parts.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003e\nThis part is commonly replaced during return fitting upgrades or leak repairs. Technicians encounter it when servicing wall returns or adjusting flow direction. It is often identified once the wall-facing return is removed.\u003c\/p\u003e","brand":"Waterway Plastics","offers":[{"title":"Default Title","offer_id":52008417493266,"sku":"400-9180","price":1.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/WWP4009180_0.png?v=1770399398","url":"https:\/\/www.aquaterrabackyard.com\/products\/waterway-plastics-400-9180-econ-insider-inlet-slip-return-1-inch","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}