{"product_id":"armstrong-8975000-98203k-es-10-1-250-2a-mechanical-seal-kit","title":"Armstrong 8975000-98203K ES 10\" 1.250 2A Mechanical Seal Kit","description":"\u003cp\u003eMaintain peak hydronic system performance with the \u003cstrong\u003e8975000-98203K\u003c\/strong\u003e Armstrong ES Seal Kit, an essential replacement component engineered to ensure a tight, reliable fluid barrier in your pump assembly. This high-precision kit, identified by part number \u003cstrong\u003e8975000-98203K\u003c\/strong\u003e, is specifically configured for ES-style pump shafts to prevent leaks and maximize operational efficiency in demanding climate control environments.\u003c\/p\u003e\u003cp\u003eThis mechanical seal kit utilizes robust construction materials to withstand thermal expansion and chemical exposure inherent in circulating systems. By maintaining the critical 1.250\" seal interface, the component minimizes friction, reduces maintenance downtime, and extends the overall service life of the pump by protecting internal motor and bearing assemblies from moisture ingress.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e Designed for an exact 1.250\" shaft fitment to ensure a consistent, zero-leak seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Compatibility:\u003c\/strong\u003e Features high-grade materials optimized for EPDM\/316 stainless steel applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Installation:\u003c\/strong\u003e Engineered to provide a direct replacement, simplifying the maintenance workflow for field technicians.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e This seal kit is specifically intended for Armstrong ES series pumps used in commercial HVAC chilled water, hot water heating, and pressure boosting systems.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43134222434398,"sku":"8975000-98203K","price":285.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/8975000_98203K_image_6431f1aa-b0dd-44b6-a645-477f51f48af7.png?v=1786109768","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-8975000-98203k-es-10-1-250-2a-mechanical-seal-kit","provider":"National Boiler Supply","version":"1.0","type":"link"}