Unlike adjustable models

and 49M5901

2 to 1 bar) and includes a manual reset function

if the differential is sufficient and it still fails

Lochinvar & A.O. Smith 100277747 Bearing Assembly THPU32HP7Y Unlike adjustable modelsThe 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