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This specific HFES 15 HC model is designed with a medium temperature charge
typically under 0
Compatibility depends on the specific model and serial number of your unit
applying a high-quality thermal conductive grease inside the well is recommended to eliminate air gaps and improve response time
Lochinvar & A.O. Smith 100277757 Bearing Module Els PW 17895 This specific HFES 15 HCThe Lochinvar & A. O. Smith 100277757 Bearing Module is a critical OEM replacement component designed to restore factory spec rotation and mechanical efficiency in high performance heating systems. This precision engineered pump bearing kit 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