{"product_id":"lochinvar-a-o-smith-100277757-bearing-module","title":"Lochinvar \u0026 A.O. Smith 100277757 Bearing Module","description":"\u003cp\u003eThe \u003cstrong\u003eLochinvar \u0026amp; A.O. Smith 100277757 Bearing Module\u003c\/strong\u003e is a critical OEM replacement component designed to restore factory-spec rotation and mechanical efficiency in high-performance heating systems. This precision-engineered \u003cstrong\u003epump bearing kit\u003c\/strong\u003e serves as the primary interface between stationary and rotating assemblies, utilizing high-grade materials to minimize friction and prevent premature mechanical failure. For field technicians, this module is the direct replacement for legacy part numbers \u003cstrong\u003e100133537\u003c\/strong\u003e and \u003cstrong\u003eARM1002\u003c\/strong\u003e, ensuring a drop-in fit without the need for field modifications. Each kit typically includes the professional-grade bearings and seals necessary to rebuild \u003cstrong\u003eLochinvar boiler pumps\u003c\/strong\u003e and \u003cstrong\u003eA.O. Smith water heater\u003c\/strong\u003e circulation systems. By maintaining strict tolerances, the \u003cstrong\u003e100277757\u003c\/strong\u003e helps eliminate shaft play and excessive vibration, which are common catalysts for seal leaks and motor stress. Whether you are performing routine maintenance or emergency repairs, utilizing genuine \u003cstrong\u003eHVAC replacement parts\u003c\/strong\u003e like this bearing module is essential for protecting system integrity and operational longevity.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect OEM Compatibility:\u003c\/strong\u003e Engineered specifically for Lochinvar and A.O. Smith equipment to ensure precise alignment and fit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReduced Friction:\u003c\/strong\u003e High-grade bearing surfaces reduce heat buildup and energy consumption during continuous duty cycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Maintenance Solution:\u003c\/strong\u003e Functionally identical to \u003cstrong\u003eARM1002\u003c\/strong\u003e and \u003cstrong\u003e100133537\u003c\/strong\u003e, providing a comprehensive solution for pump rebuilds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhanced Durability:\u003c\/strong\u003e Constructed with wear-resistant materials to withstand the high temperatures typical of commercial water heating applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIs the 100277757 a direct swap for the ARM1002?\u003c\/strong\u003e Yes, the \u003cstrong\u003e100277757\u003c\/strong\u003e is the current manufacturer-designated replacement for the \u003cstrong\u003eARM1002\u003c\/strong\u003e and \u003cstrong\u003e100133537\u003c\/strong\u003e modules.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoes this kit include seals?\u003c\/strong\u003e Most \u003cstrong\u003e100277757\u003c\/strong\u003e pump bearing kits include the necessary bearings and seals required for a standard module refresh.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhat are the signs of a failing bearing module?\u003c\/strong\u003e Technicians should look for increased audible noise, shaft vibration, or localized overheating near the pump housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Lochinvar \u0026 A.O. Smith","offers":[{"title":"Default Title","offer_id":35655682316,"sku":"100277757","price":391.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_5b67e29d-3f9e-4544-b8af-94b688f81d25.png?v=1775517768","url":"https:\/\/www.gsistore.com\/en-ca\/products\/lochinvar-a-o-smith-100277757-bearing-module","provider":"GSIstore","version":"1.0","type":"link"}