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the R34833B001 is a standard replacement for many mid-to-high efficiency units in those families
Its robust metal construction provides the necessary shear strength to maintain a secure connection between the drive shaft and the hub
It requires the airflow from the fan blade it is driving to maintain proper operating temperatures and prevent thermal tripping
Direct Replacement: Serves as the official Lochinvar OEM part for discontinued or failing 316158-000 and 9007601005 control kits
provided the mounting bolt pattern matches your specific bracket
Lochinvar & A.O. Smith 100111064 Air Switch 320788-704 the R34833B001 is a standardThe Lochinvar & A. O. Smith 100111064 Air Switch is a critical safety component designed for precise pressure sensing in high efficiency boilers and water heaters. Engineered with a 6. 0" WC to 5. 0" WC set point, this differential pressure switch ensures the combustion blower is moving sufficient air before allowing the ignition sequence to proceed. As a genuine OEM replacement part, it maintains the precise calibration required to prevent nuisance