{"product_id":"bell-gossett-52-161-210-801a-ehsc-hcs-s-mechanical-seal-assembly","title":"Bell \u0026 Gossett 52-161-210-801A eHSC\/HCS-S Mechanical Seal Assembly","description":"\u003cp\u003eMaintain peak operational integrity in your pumping system with the \u003cstrong\u003e52-161-210-801A\u003c\/strong\u003e mechanical seal assembly. Specifically engineered for Bell \u0026amp; Gossett \u003cstrong\u003eeHSC\/HCS-S\u003c\/strong\u003e pumps, this critical replacement part ensures a watertight seal and prevents fluid leakage in demanding hydronic and plumbing environments.\u003c\/p\u003e\u003cp\u003eThe Bell \u0026amp; Gossett e-HSC pump line utilizes an advanced, internally self-flushing mechanical seal design. This configuration acts as an industry standard for reliability, promoting continuous lubrication, effective heat dissipation, and the systematic removal of debris from the seal face. By eliminating the need for vulnerable, external flush lines or fragile filter kits, this assembly reduces maintenance complexity and prevents common points of failure.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Flushing:\u003c\/strong\u003e Integrated design promotes continuous lubrication without external bypass piping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Management:\u003c\/strong\u003e Specialized face geometry ensures superior heat dissipation during heavy-load cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDebris Removal:\u003c\/strong\u003e Self-cleaning mechanics prevent particulate buildup, extending the functional life of the seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign Reliability:\u003c\/strong\u003e Eliminates the risk of external filter clogs and connection leaks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e This seal assembly is intended for use in Bell \u0026amp; Gossett eHSC and HCS-S series pumps within commercial HVAC, chiller, and large-scale hydronic circulation systems.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43131769421918,"sku":"52-161-210-801A","price":424.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/52_161_210_801A_image_b17b9414-5b15-49dd-9c5b-c8867b0dff4c.png?v=1786093185","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-52-161-210-801a-ehsc-hcs-s-mechanical-seal-assembly","provider":"National Boiler Supply","version":"1.0","type":"link"}