{"product_id":"hayward-spx1621c-impeller-assembly-2-hp","title":"Hayward SPX1621C Impeller Assembly - 2 HP","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003e The Hayward SPX1621C is a 2 HP impeller assembly for compatible Hayward pump models. It installs on the motor shaft and produces the flow that moves water through the filter and back to the pool. This assembly sits inside the pump wet end behind the strainer housing. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003e When a 2 HP impeller is worn, broken, or mismatched, the pump can lose prime, run noisy, or fail to deliver proper circulation. Low flow affects filtration performance and can trigger heater and automation flow-related issues. Installing the correct impeller assembly restores stable pressure and turnover. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eManufacturer part number SPX1621C\u003c\/li\u003e \u003cli\u003eImpeller assembly rated for 2 HP applications\u003c\/li\u003e \u003cli\u003eInstalls on motor shaft inside wet end\u003c\/li\u003e \u003cli\u003eFor compatible Hayward pump models\u003c\/li\u003e \u003cli\u003eCritical component for pump flow and pressure output\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003e Confirm the pump series and motor rating before selecting a 2 HP impeller. Inspect diffuser and shaft seal components and replace worn seals during reassembly. Confirm by manufacturer part number before ordering. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eAbout the Hayward Brand\u003c\/strong\u003e\u003cbr\u003e Hayward manufactures pumps, filters, heaters, automation, cleaners, chlorination systems, and service parts used in residential pool systems. Their pump platforms are widely installed and built for wet end service. Correct internal component matching keeps performance consistent across filtration, heating, and sanitation equipment. Genuine Hayward parts help maintain proper fit and long-term reliability. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003e Techs typically replace this impeller assembly during wet end rebuilds when flow is low and internal wear is visible. It is also common after debris damage or when upgrading or replacing a motor and matching the correct internal components. \u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52050167398674,"sku":"SPX1621C","price":62.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/HPPSPX1621C_0.jpg?v=1771892169","url":"https:\/\/www.aquaterrabackyard.com\/products\/hayward-spx1621c-impeller-assembly-2-hp","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}