{"product_id":"bell-gossett-185331-5-8-x-7-8-spring-coupler","title":"Bell \u0026 Gossett 185331 5\/8\" x 7\/8\" Spring Coupler","description":"\u003cp\u003eMaintain the peak performance and longevity of your hydronic pump system with the \u003cstrong\u003e185331\u003c\/strong\u003e Bell \u0026amp; Gossett spring coupler. Engineered for precision alignment between the motor and pump assembly, this 5\/8\" x 7\/8\" coupling serves as a critical link in ensuring smooth, vibration-free operation throughout your heating or cooling system.\u003c\/p\u003e\u003cp\u003eThis spring-style coupler is designed to flex under load, effectively absorbing shock and compensating for minor shaft misalignments. By minimizing mechanical stress, it protects your pump seals and bearings from premature wear, ensuring quiet and consistent fluid circulation.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built to withstand the torque requirements of standard hydronic pump operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Fitment:\u003c\/strong\u003e Engineered specifically for 5\/8\" and 7\/8\" shaft configurations to ensure secure power transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Protection:\u003c\/strong\u003e Acts as a sacrificial component to prevent costly damage to the pump motor and internal mechanical seals.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for residential and light commercial hydronic circulators, boiler feed pumps, and HVAC fluid transfer systems requiring standard Bell \u0026amp; Gossett shaft coupling components.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43127475503198,"sku":"185331","price":210.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/185331_image_79273300-0d38-42cc-a904-3d20356031b6.png?v=1786053457","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-185331-5-8-x-7-8-spring-coupler","provider":"National Boiler Supply","version":"1.0","type":"link"}