{"product_id":"bell-gossett-p78796-9n-rubber-coupler-insert-sleeve","title":"Bell \u0026 Gossett P78796 9N Rubber Coupler Insert Sleeve","description":"\u003cp\u003eMaintain optimal vibration damping and power transmission between your motor and pump shaft with the \u003cstrong\u003eP78796\u003c\/strong\u003e 9N rubber coupler insert. Designed specifically for Bell \u0026amp; Gossett hydronic equipment, this high-grade rubber sleeve absorbs radial and axial loads, protecting your critical pump seals and bearings from unnecessary wear caused by minor shaft misalignment.\u003c\/p\u003e\u003cp\u003eThis flexible insert functions as the vital link within the two-piece coupler assembly, acting as a buffer that manages torque fluctuations. When the sleeve degrades, it can lead to increased noise, vibration, and eventual mechanical failure; replacing it with an authentic \u003cstrong\u003eP78796\u003c\/strong\u003e component ensures your system remains balanced and quiet during operation.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Dampening:\u003c\/strong\u003e High-elasticity rubber construction minimizes rotational energy transfer to pump components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlignment Tolerance:\u003c\/strong\u003e Engineered to accommodate minor shaft misalignment while maintaining torque capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational Longevity:\u003c\/strong\u003e Resistant to hardening and fatigue under continuous hydronic system temperatures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Recommended for use in residential and light commercial Bell \u0026amp; Gossett Series 100, Series 60, and HV series circulator pumps requiring 9N coupler maintenance.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43136904233054,"sku":"P78796","price":310.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/P78796_image_045f4998-b97f-4c93-b2eb-a25f1e846b7c.png?v=1786154759","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-p78796-9n-rubber-coupler-insert-sleeve","provider":"National Boiler Supply","version":"1.0","type":"link"}