{"product_id":"bell-gossett-p78928-vsc-vscs-pump-shaft","title":"Bell \u0026 Gossett P78928 VSC\/VSCS Pump Shaft","description":"\u003cp\u003eMaintaining the structural integrity of your hydronic circulating system is essential for reliable thermal distribution, and the \u003cstrong\u003eP78928\u003c\/strong\u003e pump shaft is designed to restore precision rotation to your \u003cstrong\u003eBell \u0026amp; Gossett VSC\/VSCS\u003c\/strong\u003e series pumps. This precision-machined component serves as the core drivetrain element, ensuring the impeller maintains optimal concentricity while spinning under high-pressure hydronic loads.\u003c\/p\u003e\u003cp\u003eAs the primary interface between the motor coupling and the impeller assembly, this shaft is constructed to withstand the mechanical stress of continuous duty cycles. By replacing a worn or compromised shaft, you effectively eliminate shaft wobble and mechanical seal failure, which prevents costly leakage and cavitation within the pump volute.\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 original equipment specifications for a perfect factory fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Tolerance:\u003c\/strong\u003e Designed to handle high-torque demands common in large-scale commercial HVAC applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Durability:\u003c\/strong\u003e Crafted from high-strength alloys to resist corrosion and torsional fatigue.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Engineered for use in Bell \u0026amp; Gossett VSC and VSCS double suction split-case pumps utilized in commercial boiler, chilled water, and hydronic heating systems.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43136910753886,"sku":"P78928","price":3907.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/P78928_image_58dd29a5-f2ef-41b0-bef0-343ddd6d6819.png?v=1786154905","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-p78928-vsc-vscs-pump-shaft","provider":"National Boiler Supply","version":"1.0","type":"link"}