{"product_id":"whisperflo-pump-parts-and-accessories-pentair-impeller-for-whisperflo-1-hp-full-rated-pumps-073128","title":"Pentair 073128 Impeller for WhisperFlo 1 HP \/ Full-Rated Pumps – Whisperflo Pump Parts And Accessories","description":"\u003cdiv class=\"rte\"\u003e\n\u003ch2\u003ePentair 073128 Impeller for WhisperFlo 1 HP \/ Full-Rated Pumps\u003c\/h2\u003e\n\u003cp\u003eOEM Pentair 073128 impeller fits WhisperFlo \u0026amp; WFE-4 \/ WF-4 \/ WF-26 1 HP pumps. Restores full flow \u0026amp; pressure.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Pentair impeller for WF-4, WF-26, WFE-4, WFK-4, WFDS-4, WFDS-26 models.\u003c\/li\u003e\n\u003cli\u003eDesigned for full-rated and uprated 1 HP configurations.\u003c\/li\u003e\n\u003cli\u003ePrecision balanced to reduce vibration and wear.\u003c\/li\u003e\n\u003cli\u003eRestores pump performance lost to wear or damage.\u003c\/li\u003e\n\u003cli\u003eOEM replacement maintains warranty and longevity.\u003c\/li\u003e\n\u003cli\u003eLightweight ≈15 oz for easier handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Pentair 073128 impeller is built to restore full performance in 1 HP WhisperFlo and related pump models. Degradation of flow is typically due to erosion, corrosion, or debris damage to the impeller, which causes pressure drop, higher energy cost, and reduced filtration efficiency. Replacing it with this OEM part recovers the pump’s rated flow and pressure, ensures motor operates under less strain, and helps deliver clean water faster. It’s compatible with WF-4, WF-26, WFE-4, WFK-4, WFDS-4, WFDS-26, and newer WhisperFlo DOE-compliant series.\u003c\/p\u003e\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eWhen replacing the impeller, change the shaft seal and inspect the seal plate gasket. Clean debris from the volute before installation to avoid flow restriction. For better sealing, pair with Pentair Volute Gasket | SKU 357100Z.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cp\u003eTurn off power and relieve water pressure before opening pump. Ensure the impeller screws\/wear ring are clean. Match impeller orientation and tighten to manufacturer torque spec. Replace seals and gaskets to avoid air leaks or water bypass.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Cavanaugh Pool, Spa \u0026 Patio, Inc.","offers":[{"title":"Default Title","offer_id":62589988766067,"sku":"073128","price":107.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/2464\/4211\/files\/073128Z-1.jpg?v=1772566395","url":"https:\/\/cavanaughpool.com\/products\/whisperflo-pump-parts-and-accessories-pentair-impeller-for-whisperflo-1-hp-full-rated-pumps-073128","provider":"Cavanaugh Pool, Spa \u0026 Patio, Inc.","version":"1.0","type":"link"}