{"product_id":"bell-gossett-186871-1-x-1-3-8-three-piece-coupler","title":"Bell \u0026 Gossett 186871 1\" x 1-3\/8\" Three-Piece Coupler","description":"\u003cp\u003eEnsure consistent power transmission in your hydronic pumping system with the genuine \u003cb\u003eBell \u0026amp; Gossett 186871\u003c\/b\u003e three-piece coupler. This essential component is engineered to facilitate a secure, vibration-dampening connection between the motor shaft and the pump assembly, ensuring optimal mechanical alignment and operational longevity.\u003c\/p\u003e\u003cp\u003eThe \u003cb\u003e186871\u003c\/b\u003e coupler utilizes a robust three-piece design featuring a flexible insert that absorbs mechanical stress and compensates for minor misalignment. This design effectively prevents wear on pump seals and motor bearings by isolating mechanical energy, providing a quiet and reliable operation within your boiler room infrastructure.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMechanical Integrity:\u003c\/b\u003e Built to maintain precise shaft alignment during high-torque startup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVibration Dampening:\u003c\/b\u003e Specialized insert material reduces harmonic noise and mechanical fatigue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurability:\u003c\/b\u003e Corrosion-resistant components designed for long-term service in closed-loop hydronic systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEase of Maintenance:\u003c\/b\u003e Precision-engineered dimensions ensure a seamless fit during field replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Specifically designed for Bell \u0026amp; Gossett pump configurations requiring a 1\" x 1-3\/8\" shaft connection. Ideal for routine pump maintenance, noise reduction initiatives, and worn coupler replacement in commercial and residential hydronic heating loops.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43127550083166,"sku":"186871","price":608.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/186871_image_3fa51535-5688-412e-b610-a5e6055d105e.png?v=1786054350","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-186871-1-x-1-3-8-three-piece-coupler","provider":"National Boiler Supply","version":"1.0","type":"link"}