{"product_id":"armstrong-975002-408-mechanical-seal-kit","title":"Armstrong 975002-408 - Replacement Mechanical Seal Kit","description":"\u003cp\u003eMaintain the efficiency and fluid integrity of your hydronic pump system with the \u003cstrong\u003eArmstrong 975002-408 Mechanical Seal Kit\u003c\/strong\u003e. This precision-engineered replacement component is essential for preventing unwanted fluid leaks and ensuring your pump operates at peak hydraulic pressure throughout the heating or cooling season.\u003c\/p\u003e\u003cp\u003eThis mechanical seal operates by maintaining a critical interface between the rotating shaft and the stationary pump housing, utilizing high-grade lapped seal faces to minimize friction and prevent weepage. By replacing worn or damaged seal components with this genuine factory kit, you effectively protect the motor bearings and pump internals from moisture damage and premature mechanical failure.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak Prevention:\u003c\/strong\u003e Precision-matched seal faces ensure a hermetic barrier under continuous duty cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Tolerance:\u003c\/strong\u003e Designed to withstand standard hydronic operating temperatures and fluctuating pressures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWear Resistance:\u003c\/strong\u003e Constructed from high-durability materials to combat abrasive particulate degradation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Used primarily for commercial and residential circulation pumps requiring routine maintenance. Ensure the system is fully depressurized and drained before proceeding with installation to prevent accidental fluid discharge.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43134700290142,"sku":"975002-408","price":1910.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/975002_408_image_abce95e2-164d-4fee-bbbc-b203950b70e8.png?v=1786110730","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-975002-408-mechanical-seal-kit","provider":"National Boiler Supply","version":"1.0","type":"link"}