Lochinvar & A.O. Smith 100144980 Fan Assembly

The Lochinvar & A.O. Smith 100144980 Fan Assembly is a high-performance inducer fan assembly engineered specifically for high-efficiency condensing boilers and water heaters. This 115V, 50/60HZ OEM component is critical for maintaining precise combustion air blowers performance in KnightXL KBN600-800, Armor AW600-800, and SYNC SB1300-1500 series units. As a veteran technician knows, ensuring consistent venting airflow is paramount for safe operation and preventing back-drafting of combustion gases. Built with a rugged housing and a balanced motor, this assembly facilitates the necessary negative pressure required for the heat exchanger to function at peak efficiency. Utilizing a genuine Lochinvar replacement part ensures seamless integration with existing control boards and ignition modules, eliminating the troubleshooting headaches associated with aftermarket equivalents. Weighing approximately 11.5 lbs, this unit is built for continuous duty in demanding commercial and industrial hydronic heating environments where reliable HVAC blower motor performance is non-negotiable.

Key Benefits

• OEM Compatibility: Exact replacement for Lochinvar and A.O. Smith units, including KnightXL and SYNC condensing boilers.
• Integrated Performance: Optimized 115V operation ensures synchronized performance with the system’s ignition and gas valve sequence.
• Enhanced Durability: Industrial-grade construction designed to withstand high-temperature flue gases and moisture typical of condensing applications.
• System Safety: Effectively removes combustion products, maintaining proper pressure switch toggling and preventing lockout errors.

Common Questions

What models are compatible with this inducer assembly?
This part is specifically designed for Lochinvar KnightXL (KBN600-KBN800 beginning serial C09), Armor (AW600-AW800), and SYNC (SB1300-SB1500) models. Always verify the serial number before installation.

Does this assembly include the motor and the housing?
Yes, the 100144980 is a complete assembly featuring the blower motor, fan blade, and the protective housing for a direct-fit replacement.

Can I use this fan in a 230V system?
No, this specific model is rated for 115V, 50/60HZ. Installing it in a 230V application will result in immediate motor failure and potential control board damage.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.