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The AO SMITH 100187877 is a blower assembly kit that includes a hall sensor, designed for use in water heater applications requiring precise motor feedback and reliable airflow management. This kit provides the blower motor assembly and integrated hall sensor as a matched set, allowing technicians to restore proper combustion air delivery and motor speed monitoring in a single service call. It is typically installed by licensed plumbers or HVAC technicians performing water heater maintenance or component replacement.
This blower assembly kit is suited for residential water heater systems where the original blower motor or hall sensor has failed or degraded. The hall sensor provides motor rotation feedback to the control board, enabling accurate speed monitoring and fault detection. Installations requiring like-for-like OEM-style replacement of the blower assembly will find this kit provides the necessary components in one package.
Designed as an OEM-style replacement blower assembly for AO SMITH water heater systems requiring a hall sensor-equipped blower motor kit.
Installation should be performed by a licensed plumber or HVAC technician familiar with water heater service procedures. Always shut off power to the unit at the breaker and allow the appliance to cool before beginning disassembly. Secure all electrical connectors fully and verify the hall sensor harness is seated before restoring power. Follow all applicable local codes and the manufacturer service documentation during installation.
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