Description
Lochinvar & A.O. Smith 100276785 Pump Motor Overview
The Lochinvar & A.O. Smith 100276785 is an OEM replacement pump motor engineered for dependable performance in hydronic heating and hot water systems. Rated at 1/4 HP and 1800 RPM on 120V single-phase power, this motor delivers the consistent torque and speed required to keep circulating pumps operating at peak efficiency. Sourcing a genuine OEM part ensures proper fit, function, and long-term reliability in Lochinvar and A.O. Smith equipment.
Key Specifications
- Manufacturer Part Number: 100276785
- Horsepower: 1/4 HP
- Speed: 1800 RPM
- Voltage: 120V
- Application: Hydronic circulating pump motor
- Brand: Lochinvar & A.O. Smith
Features & Benefits
- OEM-quality replacement for exact fit and compatibility
- 1800 RPM operating speed ensures efficient fluid circulation
- 120V single-phase power for straightforward installation in standard residential and light commercial applications
- 1/4 HP output provides reliable torque for continuous pump duty
- Designed to meet original equipment performance standards
Application
This pump motor is intended as a direct replacement for Lochinvar and A.O. Smith hydronic heating systems and water heater pump assemblies. Always verify compatibility with your specific equipment model before installation.







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