{"product_id":"bell-gossett-118709-1-2-x-5-8-replacement-coupler","title":"Bell \u0026 Gossett 118709 1\/2\" x 5\/8\" Replacement Coupler","description":"\u003cp\u003eEnsure consistent mechanical drive alignment in your hydronic pump system with the genuine \u003cstrong\u003eBell \u0026amp; Gossett 118709\u003c\/strong\u003e coupler. Designed specifically for reliable power transmission between the motor and the pump assembly, this \u003cstrong\u003e1\/2\" x 5\/8\"\u003c\/strong\u003e unit helps minimize vibration and noise during operation, protecting your equipment from premature wear.\u003c\/p\u003e\u003cp\u003eThis coupler functions as a critical bridge within your circulator assembly, absorbing torque loads while maintaining precise shaft alignment. By securing the connection between the motor shaft and the pump shaft, it ensures smooth rotation and long-term mechanical integrity under varying thermal loads.\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 strict B\u0026amp;G tolerances for optimal shaft alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Dampening:\u003c\/strong\u003e Reduces harmonic noise to maintain quiet system operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability Rating:\u003c\/strong\u003e Constructed to withstand sustained operational torque in residential and light commercial loops.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for field maintenance of legacy B\u0026amp;G circulator pumps, standard booster pumps, and hydronic heating or cooling circulation loops.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43124252213342,"sku":"118709","price":97.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/118709_image_61972d0b-47f8-4c57-b90c-a5a5df1517a8.png?v=1786034226","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-118709-1-2-x-5-8-replacement-coupler","provider":"National Boiler Supply","version":"1.0","type":"link"}