this direct drive blower motor features 4-speed versatility to fine-tune airflow across various heating and cooling stages

Natural Gas Optimized: Factory-configured for natural gas heating systems with a maximum inlet pressure of 14" W

Pressure-Balanced Performance: Maintains an accurate setpoint regardless of sudden changes in water inlet pressure

making it ideal for low-pressure gas line applications

reducing electrical load

Lochinvar & A.O. Smith 100144983 Fan Assembly 321042-401 this direct drive blower motorThe Lochinvar 100144983 Fan Assembly is a critical OEM replacement component designed for precision air fuel delivery in high efficiency condensing boilers and water heaters. Engineered to match the exact specifications of A. O. Smith and Lochinvar combustion systems, this blower motor assembly ensures stable static pressure and optimal thermal efficiency. As a Lochinvar fan motor replacement, the 100144983 features a durable housing and a balanced