{"product_id":"bell-gossett-118708-3-4-x-5-8-pump-coupler","title":"Bell \u0026 Gossett 118708 3\/4\" x 5\/8\" Pump Coupler","description":"\u003cp\u003eMaintain optimal power transfer in your hydronic pumping system with the reliable \u003cstrong\u003eBell \u0026amp; Gossett 118708\u003c\/strong\u003e coupler. This essential component facilitates a secure, flexible connection between the motor shaft and the pump assembly, effectively compensating for minor misalignment to reduce vibration and prevent premature wear on seals and bearings. Engineered for durability, this replacement \u003cstrong\u003e118708\u003c\/strong\u003e part ensures your system maintains consistent fluid circulation and peak operational efficiency.\u003c\/p\u003e\u003cp\u003eThe coupler functions by utilizing a robust physical bridge that engages the drive motor with the pump shaft. By providing a slight degree of mechanical flexibility, it absorbs torsional stresses and start-up torque, protecting the delicate internal components of the pump. Proper maintenance and replacement of this component are critical to extending the service life of your Bell \u0026amp; Gossett circulator units and preventing costly pump failure.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Power Transmission:\u003c\/strong\u003e Minimizes slippage between the motor and pump shaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Dampening:\u003c\/strong\u003e Reduces mechanical noise by absorbing shaft misalignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Seal Life:\u003c\/strong\u003e Protects pump seals from irregular shaft stress and friction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e Manufactured to specific B\u0026amp;G tolerance standards for a perfect fit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for use in residential and light commercial HVAC hydronic heating and cooling circuits, specifically designed for compatible Bell \u0026amp; Gossett small-frame circulators requiring a 3\/4\" by 5\/8\" coupling interface.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43124251951198,"sku":"118708","price":298.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/118708_image_ac7d2fed-ac75-415e-8a05-03694ed2032b.png?v=1786034214","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-118708-3-4-x-5-8-pump-coupler","provider":"National Boiler Supply","version":"1.0","type":"link"}