{"product_id":"pentair-impeller-for-challenger-pumps-3-4hp-full-rated-1hp-up-rated-355187","title":"355187 | Pentair Challenger Pumps Impeller | 3\/4HP Full Rated - 1HP Up Rated","description":"\u003cp data-start=\"306\" data-end=\"853\"\u003e\u003cstrong data-start=\"306\" data-end=\"337\"\u003eOEM Pentair Impeller 355187\u003c\/strong\u003e is a precision-engineered replacement part for Pentair Challenger high-pressure pumps. Specifically designed for 3\/4 HP full-rated and 1 HP up-rated models, this impeller ensures the pump maintains strong and efficient water flow. Its closed-face construction supports high-pressure operation and extends the performance life of your system. With an outer diameter of approximately 5 inches, this impeller is ideal for demanding residential or light commercial pool systems requiring consistent flow and durability.\u003c\/p\u003e\n\u003ch3 data-start=\"855\" data-end=\"869\"\u003eHighlights\u003c\/h3\u003e\n\u003cul data-start=\"871\" data-end=\"1567\"\u003e\n\u003cli data-start=\"871\" data-end=\"1032\"\u003e\n\u003cp data-start=\"873\" data-end=\"1032\"\u003e\u003cstrong data-start=\"873\" data-end=\"910\"\u003eCompatible with Challenger Pumps:\u003c\/strong\u003e Engineered for use in Pentair Challenger models rated at 3\/4 HP full-rated and 1 HP up-rated for proper fit and function.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1033\" data-end=\"1167\"\u003e\n\u003cp data-start=\"1035\" data-end=\"1167\"\u003e\u003cstrong data-start=\"1035\" data-end=\"1066\"\u003eSupports Strong Water Flow:\u003c\/strong\u003e Helps maintain high-efficiency circulation in pool systems where consistent performance is critical.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1168\" data-end=\"1302\"\u003e\n\u003cp data-start=\"1170\" data-end=\"1302\"\u003e\u003cstrong data-start=\"1170\" data-end=\"1199\"\u003eClosed-Face Construction:\u003c\/strong\u003e Features a heavy-duty, enclosed impeller design to enhance hydraulic efficiency and pressure handling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1303\" data-end=\"1445\"\u003e\n\u003cp data-start=\"1305\" data-end=\"1445\"\u003e\u003cstrong data-start=\"1305\" data-end=\"1331\"\u003e5-Inch Outer Diameter:\u003c\/strong\u003e Sized precisely for high-pressure configurations, supporting performance consistency in challenging environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1446\" data-end=\"1567\"\u003e\n\u003cp data-start=\"1448\" data-end=\"1567\"\u003e\u003cstrong data-start=\"1448\" data-end=\"1472\"\u003eBuilt for Longevity:\u003c\/strong\u003e Made from rugged materials to withstand pump wear and ensure continued flow control over time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e(1) \u003c\/strong\u003ePentair 355187 Impeller\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePentair Challenger Pumps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"250\" data-end=\"269\"\u003eAdditional Info\u003c\/h3\u003e\n\u003cp data-start=\"271\" data-end=\"464\"\u003eNeed to restore water flow in your Pentair Challenger pump? This section answers installation, performance, and in-store purchase questions about the 355187 impeller for 3\/4 HP and 1 HP models.\u003c\/p\u003e\n\u003ch2 data-start=\"466\" data-end=\"519\"\u003eInstalling the 355187 Impeller on Challenger Pumps\u003c\/h2\u003e\n\u003cp data-start=\"521\" data-end=\"703\"\u003eThis impeller is precision-built for high-pressure applications, with a closed-face design and 5-inch diameter. It fits 3\/4 HP full-rated and 1 HP up-rated Pentair Challenger models.\u003c\/p\u003e\n\u003ch4 data-start=\"705\" data-end=\"777\"\u003eHow do I install the 355187 impeller in a 3\/4 HP Challenger pump?\u003c\/h4\u003e\n\u003ch4 data-start=\"778\" data-end=\"837\"\u003eCan I buy this part in person at Discount Pool Mart?\u003c\/h4\u003e\n\u003ch4 data-start=\"838\" data-end=\"906\"\u003eDo I need to use thread sealant during impeller installation?\u003c\/h4\u003e\n\u003ch4 data-start=\"907\" data-end=\"960\"\u003eIs this impeller reverse-threaded or standard?\u003c\/h4\u003e\n\u003ch4 data-start=\"961\" data-end=\"1021\"\u003eWhat tools do I need to safely remove the old impeller?\u003c\/h4\u003e\n\u003ch2 data-start=\"1023\" data-end=\"1073\"\u003eTroubleshooting Water Flow and Pump Performance\u003c\/h2\u003e\n\u003cp data-start=\"1075\" data-end=\"1221\"\u003eWeak pressure or overheating could mean your impeller is worn or cracked. Learn what symptoms to watch for and how this part restores peak output.\u003c\/p\u003e\n\u003ch4 data-start=\"1223\" data-end=\"1289\"\u003eWhy is my Pentair Challenger pump losing pressure suddenly?\u003c\/h4\u003e\n\u003ch4 data-start=\"1290\" data-end=\"1346\"\u003eCould a damaged impeller cause motor overheating?\u003c\/h4\u003e\n\u003ch4 data-start=\"1347\" data-end=\"1410\"\u003eWhat are signs the 355187 impeller is clogged or broken?\u003c\/h4\u003e\n\u003ch4 data-start=\"1411\" data-end=\"1480\"\u003eHow do I test pump flow before and after impeller replacement?\u003c\/h4\u003e\n\u003ch4 data-start=\"1481\" data-end=\"1546\"\u003eCan I bring my old part to Discount Pool Mart to match size?\u003c\/h4\u003e\n\u003ch2 data-start=\"1548\" data-end=\"1578\"\u003eBuying the Impeller Locally\u003c\/h2\u003e\n\u003cp data-start=\"1580\" data-end=\"1735\"\u003eDiscount Pool Mart stocks common high-performance parts like the 355187 impeller. Shopping in store helps confirm fit and get expert assistance on install.\u003c\/p\u003e\n\u003ch4 data-start=\"1737\" data-end=\"1797\"\u003eWhere can I walk in to buy the 355187 impeller today?\u003c\/h4\u003e\n\u003ch4 data-start=\"1798\" data-end=\"1871\"\u003eWill store staff help verify fit for my specific Challenger model?\u003c\/h4\u003e\n\u003ch4 data-start=\"1872\" data-end=\"1937\"\u003eIs this part sold individually or part of an impeller kit?\u003c\/h4\u003e\n\u003ch4 data-start=\"1938\" data-end=\"2009\"\u003eWhat other Challenger parts should I inspect while I’m in store?\u003c\/h4\u003e\n\u003ch4 data-start=\"2010\" data-end=\"2070\"\u003eCan I see the impeller’s face and size before purchase?\u003c\/h4\u003e\n\u003ch3\u003e\u003cstrong\u003eDiagram\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0922\/3326\/9536\/files\/Pentair_Impeller_For_Challenger_Pumps_34HP_Full_Rated_-_1HP_Up_Rated_355187_Discount_Pool_Mart_diagram_600x600.jpg?v=1740518847\"\u003e\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":49770632479008,"sku":"355187","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/3326\/9536\/files\/Pentair_Impeller_For_Challenger_Pumps_34HP_Full_Rated_-_1HP_Up_Rated_355187_Discout_Pool_Mart_1_1.jpg?v=1738613391","url":"https:\/\/discountpoolmart.com\/products\/pentair-impeller-for-challenger-pumps-3-4hp-full-rated-1hp-up-rated-355187","provider":"Discount Pool Mart","version":"1.0","type":"link"}