{"product_id":"310-1890-waterway-executive-wet-end-48-frame-2hp-2","title":"310-1890 | Waterway Executive Wet End 48 Frame | 2HP | 2\"","description":"\u003cp data-start=\"98\" data-end=\"945\"\u003eThe Waterway 310-1890 Executive Wet End is a high-performance replacement assembly engineered for 2 HP motors in a 48­frame configuration. Featuring 2″ inlet and 2″ discharge ports, this wet end delivers the flow and pressure required for larger residential pool or spa systems under demanding conditions. The unit comes pre-assembled with the volute, impeller, wear ring, mechanical seal, suction cover, O-rings, and drain plug — simplifying installation while ensuring optimal alignment and reliability. With its 90° rotatable discharge and compatibility with union-style hookups, it provides flexibility and convenience during pump rebuilds or upgrades. Built in the U.S.A. for the Executive line, it delivers genuine OEM-quality performance and durability, standing up to pool chemicals, thermal cycling, and heavy duty use.\u003c\/p\u003e\n\u003ch3 data-start=\"947\" data-end=\"963\"\u003eHighlights\u003c\/h3\u003e\n\u003cul data-start=\"964\" data-end=\"1889\"\u003e\n\u003cli data-start=\"964\" data-end=\"1144\"\u003e\n\u003cp data-start=\"966\" data-end=\"1144\"\u003e\u003cstrong data-start=\"966\" data-end=\"1002\"\u003eEngineered for 2 HP Performance:\u003c\/strong\u003e Designed specifically for 48-frame motors and sized for 2″ suction\/discharge piping to handle higher flow and head demands with efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1145\" data-end=\"1318\"\u003e\n\u003cp data-start=\"1147\" data-end=\"1318\"\u003e\u003cstrong data-start=\"1147\" data-end=\"1177\"\u003eComplete Wet End Assembly:\u003c\/strong\u003e Includes volute, impeller, wear ring, mechanical seal, suction cover and all necessary O-rings — reducing rebuild complexity and downtime.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1319\" data-end=\"1478\"\u003e\n\u003cp data-start=\"1321\" data-end=\"1478\"\u003e\u003cstrong data-start=\"1321\" data-end=\"1359\"\u003eRotatable Discharge Configuration:\u003c\/strong\u003e Allows the discharge port to be rotated in 90° increments for flexible plumbing layout and easier field orientation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1479\" data-end=\"1680\"\u003e\n\u003cp data-start=\"1481\" data-end=\"1680\"\u003e\u003cstrong data-start=\"1481\" data-end=\"1529\"\u003eDurable Construction \u0026amp; Corrosion Resistance:\u003c\/strong\u003e Constructed to OEM specifications by Waterway, engineered to resist pool and spa chemical exposure, temperature fluctuations, and mechanical stress.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1681\" data-end=\"1889\"\u003e\n\u003cp data-start=\"1683\" data-end=\"1889\"\u003e\u003cstrong data-start=\"1683\" data-end=\"1725\"\u003eOEM Compatibility \u0026amp; Easy Upgrade Path:\u003c\/strong\u003e Perfect as a direct replacement for worn or outdated units in systems that originally used Executive-series wet ends, helping maintain performance and reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"553\" data-end=\"574\"\u003eAdditional Info\u003c\/h3\u003e\n\u003cp data-start=\"575\" data-end=\"858\"\u003eIf you’re replacing a 2 HP Executive wet end, this guide explains how to confirm the Waterway 310-1890 matches your 48-frame motor, union size and plumbing layout. It also covers installation tips, leak checks and how to ensure the wet end aligns properly before purchasing in store.\u003c\/p\u003e\n\u003ch2 data-start=\"860\" data-end=\"915\"\u003eConfirming Compatibility With 2 HP 48-Frame Motors\u003c\/h2\u003e\n\u003cp data-start=\"916\" data-end=\"1134\"\u003eThe 310-1890 wet end is engineered for 2 HP Executive-series pumps using a 48-frame motor and 2″ plumbing. It includes a pre-matched impeller, volute and mechanical seal for high-flow spa or pool circulation systems.\u003c\/p\u003e\n\u003ch4 data-start=\"1135\" data-end=\"1210\"\u003eHow to check if my 48-frame 2 HP motor matches the Waterway 310-1890\u003c\/h4\u003e\n\u003ch4 data-start=\"1211\" data-end=\"1289\"\u003eCan I bring my old wet end to the store to confirm bolt pattern and fit\u003c\/h4\u003e\n\u003ch4 data-start=\"1290\" data-end=\"1361\"\u003eDoes this model fit both horizontal and vertical mounting setups\u003c\/h4\u003e\n\u003ch4 data-start=\"1362\" data-end=\"1441\"\u003eHow to verify the impeller number that pairs with a 2 HP Executive motor\u003c\/h4\u003e\n\u003ch4 data-start=\"1442\" data-end=\"1515\"\u003eWhat measurements confirm the 2″ suction and 2″ discharge openings\u003c\/h4\u003e\n\u003ch2 data-start=\"1517\" data-end=\"1579\"\u003eInstalling the Wet End and Preventing Seal or Union Leaks\u003c\/h2\u003e\n\u003cp data-start=\"1580\" data-end=\"1760\"\u003eThe wet end arrives pre-assembled, but proper alignment with the motor shaft and correct seating of the mechanical seal are essential to avoid vibration, leaks or premature wear.\u003c\/p\u003e\n\u003ch4 data-start=\"1761\" data-end=\"1837\"\u003eHow to align the 310-1890 wet end on a 48-frame motor without binding\u003c\/h4\u003e\n\u003ch4 data-start=\"1838\" data-end=\"1920\"\u003eCan I buy new 2″ unions or tailpieces in store if my existing ones are worn\u003c\/h4\u003e\n\u003ch4 data-start=\"1921\" data-end=\"1990\"\u003eWhy a pump might leak after replacing only the mechanical seal\u003c\/h4\u003e\n\u003ch4 data-start=\"1991\" data-end=\"2051\"\u003eWhat to check if the pump vibrates heavily at startup\u003c\/h4\u003e\n\u003ch4 data-start=\"2052\" data-end=\"2135\"\u003eWhether the discharge orientation should be rotated before tightening unions\u003c\/h4\u003e\n\u003ch2 data-start=\"2137\" data-end=\"2182\"\u003eRestoring Pump Performance After Rebuild\u003c\/h2\u003e\n\u003cp data-start=\"2183\" data-end=\"2362\"\u003eReplacing an old wet end restores hydraulic efficiency, improves flow and reduces strain on the motor. Fresh components help maintain quiet operation and stable system pressure.\u003c\/p\u003e\n\u003ch4 data-start=\"2363\" data-end=\"2436\"\u003eHow often should I replace a spa pump wet end for best performance\u003c\/h4\u003e\n\u003ch4 data-start=\"2437\" data-end=\"2509\"\u003eCan I buy matching gaskets and O-rings in store for full rebuilds\u003c\/h4\u003e\n\u003ch4 data-start=\"2510\" data-end=\"2577\"\u003eWhat symptoms show my old wet end has lost prime or pressure\u003c\/h4\u003e\n\u003ch4 data-start=\"2578\" data-end=\"2644\"\u003eHow to pressure-test the pump after installing the 310-1890\u003c\/h4\u003e\n\u003ch4 data-start=\"2645\" data-end=\"2714\"\u003eWhen to replace the complete pump vs only the wet end assembly\u003c\/h4\u003e","brand":"Waterway","offers":[{"title":"Default Title","offer_id":50921146122528,"sku":"310-1890","price":79.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/3326\/9536\/files\/310-1890WaterwayExecutiveWetEnd48Frame2HP2DiscountPoolMart_2.jpg?v=1766079182","url":"https:\/\/discountpoolmart.com\/products\/310-1890-waterway-executive-wet-end-48-frame-2hp-2","provider":"Discount Pool Mart","version":"1.0","type":"link"}