{"product_id":"u-s-seal-shaft-seal-north-tristar-5-8-ps-4280","title":"US Seal PS-4280 Shaft Seal North Tristar Premium - 5\/8 inch","description":"\u003cdiv\u003e\n\u003ch2\u003e\u003cstrong\u003eReliable, Leak-Free Sealing for North Tristar Premium 5\/8\" Shaft Pool Pumps\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUS Seal PS-4280 Shaft Seal for North Tristar Premium is a replacement mechanical seal designed for 5\/8 inch shafts in pool pump wet ends. It creates a durable barrier between the rotating shaft and the pump housing, preventing water intrusion into the motor while the pool system runs. This seal is specifically sized for 5\/8\" shafts and intended for use with North Tristar Premium pool pumps during routine maintenance or when a seal begins to leak.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eConstruction, Compatibility and Integration\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe PS-4280 is built as a standard mechanical shaft seal for pool pumps, featuring a rotating face and stationary face arranged for reliable sealing under typical pool operating conditions. In this class, rotating faces are typically ceramic with carbon stationary faces, paired with a stainless steel spring and elastomer seals (Buna-N or Viton). The seal is designed to fit 5\/8\" shafts and shares the same seal bore geometry as many North Tristar Premium wet-end assemblies, enabling straightforward replacement during service. For installation, follow standard pump-wet-end disassembly procedures and ensure the faces are clean and properly aligned to avoid leakage.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eSystem compatibility: North Tristar Premium pool pumps with 5\/8\" shaft seals\u003c\/li\u003e \u003cli\u003eReplacement or maintenance: Replacement for worn or leaking shaft seals during routine service\u003c\/li\u003e \u003cli\u003ePerformance outcome: Maintains leak-free operation and protects the motor from water intrusion\u003c\/li\u003e \u003cli\u003eInstallation or configuration: Drop-in replacement for standard 5\/8\" shaft seal bores\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePS-4280 model shaft seal for 5\/8\" pump shaft\u003c\/li\u003e \u003cli\u003eMechanical shaft seal assembly designed for pool pump wet ends\u003c\/li\u003e \u003cli\u003eRotating face typically ceramic; stationary face typically carbon\u003c\/li\u003e \u003cli\u003eStainless steel spring with elastomer seals (Buna-N or Viton compatible)\u003c\/li\u003e \u003cli\u003eCompatible with North Tristar Premium pool pumps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUS Seal is a trusted manufacturer of pool equipment seals, focusing on durable, field-proven replacements for major pump brands. Their shaft seal products emphasize reliable performance, compatibility, and ease of installation, making them a common choice for pool maintenance and repair projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Us Seal Mfg","offers":[{"title":"Default Title","offer_id":51999110889746,"sku":"PS-4280","price":15.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/USSPS4280_0.jpg?v=1770172759","url":"https:\/\/www.aquaterrabackyard.com\/products\/u-s-seal-shaft-seal-north-tristar-5-8-ps-4280","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}