Description
The Lochinvar & A.O. Smith 100145004 is an OEM replacement Combustion Fan Assembly designed to restore proper combustion airflow in compatible Lochinvar and A.O. Smith heating equipment. Engineered to meet original factory specifications, this assembly ensures consistent, efficient burner performance and helps maintain safe, reliable operation of your heating system.
Product Overview
The combustion fan assembly plays a critical role in delivering the precise volume of air required for complete fuel combustion. A failed or degraded fan can lead to incomplete combustion, nuisance lockouts, and reduced heating efficiency. Replacing with a genuine OEM-matched part restores your unit to factory performance standards.
Key Features
- OEM replacement combustion fan assembly for Lochinvar and A.O. Smith heating equipment
- Engineered to meet original factory airflow and performance specifications
- Supports proper air-to-fuel ratio for safe, complete combustion
- Direct-fit replacement minimizes installation time and complexity
- Helps prevent nuisance lockouts caused by inadequate combustion airflow
- Manufactured to the quality standards of Lochinvar & A.O. Smith
Applications
- Compatible with select Lochinvar and A.O. Smith boilers and water heaters
- Ideal for service technicians performing scheduled maintenance or emergency repairs
- Suitable for commercial and residential hydronic heating applications
Why Choose OEM Replacement Parts?
Using genuine OEM-matched replacement components like the 100145004 ensures your equipment operates within design parameters, preserves warranty coverage where applicable, and reduces the risk of callbacks. Always verify compatibility with your specific unit model before installation.







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