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where the "U" suffix denotes its status as a universal field-replacement SKU
poor ground connection
Always match the rotation of your existing motor to ensure proper heat rejection
While physical dimensions and electrical draw remain compatible
Lochinvar & A.O. Smith 100277747 Bearing Assembly Els PW 17895 where the "U" suffix denotesThe Lochinvar & A. O. Smith 100277747 Bearing Assembly is a critical OEM component designed to restore structural integrity and whisper quiet operation to high efficiency commercial water heaters and boiler pumps. As the direct HVAC replacement part for legacy numbers ARM1046 and 100133571, this assembly is engineered to handle the high torque demands of hydronic heating systems while mitigating shaft vibration. For technicians performing a circulator