Lochinvar & A.O. Smith 100110631 Blower Assembly

The Lochinvar & A.O. Smith 100110631 Blower Assembly is a precise OEM replacement part engineered for high-efficiency gas-fired water heaters and residential heating systems. Operating at a fixed 3400 RPM with a 120V AC power supply, this assembly ensures optimal combustion air delivery and venting performance. The motor pulls a steady 1.7 Amps at 60 Hz, featuring a robust steel wheel and a rectangular outlet configuration designed for seamless integration with existing ductwork. As a direct 100110631 blower substitute, this unit is the updated version for 9005748205, providing a drop-in solution that restores factory-spec airflow. For technicians performing HVAC blower assembly replacement, this CSA certified component meets stringent safety standards, maintaining the necessary pressure for effective draft induction. Ensuring water heater blower motor compatibility is critical; this assembly is specifically tailored for Lochinvar and A.O. Smith units requiring a high-speed, single-phase 120V inducer to manage thermal output and exhaust cycles safely.

Key Benefits

• Direct OEM Fit: Engineered as the official updated version for part number 9005748205, ensuring bolt-on compatibility without field modifications.
• High-Velocity Performance: The 3400 RPM motor provides the consistent static pressure required for modern high-efficiency combustion cycles.
• Industrial Grade Construction: Utilizes a durable steel blower wheel and CSA-certified electrical components for long-term reliability in thermal environments.
• Standardized Electrical Specs: Operates on standard 120V AC, 60Hz power with a low 1.7A draw, compatible with existing control boards and wiring harnesses.

Common Questions

Technicians usually identify a failing 100110631 assembly by increased bearing noise, vibration, or integrated pressure switches failing to close due to insufficient RPM or airflow.

Yes, this is the designated replacement for 9005748205. Always verify the 120V 3400RPM specification on the original nameplate to ensure the motor torque and speed match your specific application.

This is a complete blower assembly, including the motor, steel wheel, and housing, ready for professional installation into the exhaust vent or combustion chamber transition.

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.