{"product_id":"armstrong-89975001-81303k-seal-kit-for-es-10-pumps","title":"Armstrong 89975001-81303K Seal Kit for ES 10\" Pumps","description":"\u003cp\u003eMaintain peak operational efficiency in your hydronic systems with the precision-engineered \u003cstrong\u003e89975001-81303K\u003c\/strong\u003e Armstrong Seal Kit. This component is specifically designed for 10-inch ES model pumps, ensuring a perfect interface to prevent fluid loss and mechanical degradation in demanding HVAC environments.\u003c\/p\u003e\u003cp\u003eThis seal kit utilizes advanced materials to manage internal pressure and friction. By replacing worn seals, you effectively re-establish the hydraulic boundary of the pump, preventing internal bypass and protecting the motor from fluid ingress during continuous duty cycles.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e Manufactured to exacting tolerances for a seamless fit on 10\" ES housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance:\u003c\/strong\u003e High-grade materials designed to withstand aggressive fluid chemistries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Sealing:\u003c\/strong\u003e Optimized EPDM elastomer contact points to minimize friction and thermal expansion issues.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Recommended for use in commercial HVAC, chilled water loops, and hot water recirculation systems requiring consistent, leak-free pump operation.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43134373757022,"sku":"89975001-81303K","price":291.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/89975001_81303K_image_c822950f-8836-4ff5-a29c-60541f38ce98.png?v=1786109993","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-89975001-81303k-seal-kit-for-es-10-pumps","provider":"National Boiler Supply","version":"1.0","type":"link"}