{"product_id":"u-s-seal-shaft-seal-5-8-ps-3890","title":"U.S. Seal PS-3890 Shaft Seal","description":"\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eReliable Shaft Seal for Leak-Free Pool Pump Performance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe U.S. Seal PS-3890 Shaft Seal is a replacement mechanical seal engineered for pool pump wet ends. It creates a durable barrier around the rotating shaft to prevent water from leaking into the motor, helping maintain system pressure and efficiency. Designed for standard pool pump configurations, this PS-3890 model is a practical choice during service or when upgrading a tired seal in compatible pool equipment.\u003c\/p\u003e \u003ch2\u003e\u003cstrong\u003eConstruction, Compatibility and Integration\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eBuilt for longevity in pool environments, the PS-3890 employs a robust seal design that resists wear and corrosion. It integrates with common pool pump wet-end assemblies and aligns with typical shaft interfaces found in many standard pumps. The assembly typically includes replaceable elastomer O-rings and a corrosion-resistant housing, making it a straightforward replacement during routine maintenance or seal failures. Proper installation involves clean mating surfaces, correct seating, and ensuring compatibility with the pump’s shaft size and wet-end configuration.\u003c\/p\u003e \u003ch2\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eSystem compatibility: Fits standard pool pump wet-end configurations that use U.S. Seal PS-3890 shaft seals\u003c\/li\u003e \u003cli\u003eReplacement or maintenance context: Direct replacement during pump service to restore leak-free operation\u003c\/li\u003e \u003cli\u003ePerformance outcome: Reduces water leakage and helps maintain proper pump head and efficiency\u003c\/li\u003e \u003cli\u003eInstallation or configuration context: Designed for straightforward replacement with proper seating and seating alignment during installation\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eModel: PS-3890 shaft seal by U.S. Seal\u003c\/li\u003e \u003cli\u003eSeal construction: Mechanical shaft seal designed for pool pump wet ends\u003c\/li\u003e \u003cli\u003eWetted-face materials: Carbon rotating face and ceramic stationary face (typical configuration)\u003c\/li\u003e \u003cli\u003eHousing and hardware: Corrosion-resistant housing with stainless steel components\u003c\/li\u003e \u003cli\u003eO-rings: Replaceable elastomer seals selected for chemical resistance in pool water environments\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eU.S. Seal is a recognized manufacturer of high-quality mechanical seals and related pump components. The brand emphasizes durable engineering and dependable performance, making PS-3890 a trusted option for pool equipment maintenance and service.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Us Seal Mfg","offers":[{"title":"Default Title","offer_id":51999111020818,"sku":"PS-3890","price":12.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/USSPS3890_0.jpg?v=1770172767","url":"https:\/\/www.aquaterrabackyard.com\/products\/u-s-seal-shaft-seal-5-8-ps-3890","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}