{"product_id":"lochinvar-a-o-smith-100144992-fan-assembly","title":"Lochinvar \u0026 A.O. Smith 100144992 Fan Assembly","description":"\u003cp\u003eThe \u003cstrong\u003eLochinvar \u0026amp; A.O. Smith 100144992 Fan Assembly\u003c\/strong\u003e is a critical \u003cstrong\u003eOEM replacement part\u003c\/strong\u003e designed for high-efficiency commercial boilers and water heaters. This \u003cstrong\u003e115V blower motor\u003c\/strong\u003e assembly manages precise combustion air delivery, featuring a \u003cstrong\u003e1\/2 HP motor\u003c\/strong\u003e balanced for high-static pressure applications. Operating at a fixed \u003cstrong\u003e1650 RPM\u003c\/strong\u003e, it ensures stable manifold pressure and optimal heat exchanger performance. This unit is the direct manufacturer-mandated \u003cstrong\u003ereplacement for 100144904\u003c\/strong\u003e, correcting common inducer failures and restoring factory-spec airflow sequences. Engineered for \u003cstrong\u003eA.O. Smith and Lochinvar boilers\u003c\/strong\u003e, the 100144992 provides the necessary torque to clear venting obstructions and maintain consistent flame signals. Contractors should verify the 115v 1\/2hp 1650rpm specifications on the existing data plate to ensure compatibility with localized control boards and modulation sequences.\u003c\/p\u003e\n\n\u003cstrong\u003eTechnical Benefits for Contractors:\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect OEM Compatibility:\u003c\/strong\u003e Engineered as the exact \u003cstrong\u003eLochinvar 100144992\u003c\/strong\u003e replacement to maintain equipment ETL\/UL certifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized Combustion:\u003c\/strong\u003e Precision-balanced \u003cstrong\u003e1650 RPM fan assembly\u003c\/strong\u003e reduces vibration and prevents premature bearing wear.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Torque Performance:\u003c\/strong\u003e The \u003cstrong\u003e1\/2 HP inducer motor\u003c\/strong\u003e provides reliable starts even in cold-air infiltration scenarios.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrop-in Installation:\u003c\/strong\u003e Designed specifically for the bolt patterns found in \u003cstrong\u003eA.O. Smith commercial water heaters\u003c\/strong\u003e and Lochinvar hydronic systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Industrial Questions:\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 100144992 compatible with older 100144904 series blowers?\u003c\/strong\u003e\u003cbr\u003e\nYes, the \u003cstrong\u003e100144992 fan assembly\u003c\/strong\u003e is the official superseding part number for the 100144904. It maintains identical electrical specifications (115V, 1\/2 HP) and mechanical mounting points for a seamless field retrofit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat are the primary symptoms of a failing Lochinvar inducer assembly?\u003c\/strong\u003e\u003cbr\u003e\nTechnicians typically identify issues through \"pressure switch stuck open\" fault codes, excessive bearing noise during the pre-purge cycle, or a failure to reach the \u003cstrong\u003e1650 RPM\u003c\/strong\u003e threshold required to close the combustion air proofing switch.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes this assembly include the necessary gaskets?\u003c\/strong\u003e\u003cbr\u003e\nAs an \u003cstrong\u003eOEM Lochinvar replacement\u003c\/strong\u003e, this assembly focuses on the motor and housing. It is standard practice to inspect and replace flange gaskets during \u003cstrong\u003eHVAC blower motor\u003c\/strong\u003e installation to prevent flue gas leakage into the mechanical room.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong style=\"color: red;\"\u003eThis item is not eligible for free shipping.\u003c\/strong\u003e\u003c\/p\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":9661411229811,"sku":"100144992","price":930.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/products\/Pic_dfa348d7-e7ed-4a70-b1ee-cf4457a81698.png?v=1751412787","url":"https:\/\/www.gsistore.com\/products\/lochinvar-a-o-smith-100144992-fan-assembly","provider":"GSIstore","version":"1.0","type":"link"}