Description
The Lochinvar & A.O. Smith 100277758 Impeller is a genuine OEM replacement part engineered to restore and maintain optimal pump performance in compatible Lochinvar and A.O. Smith hydronic heating systems. Sourced directly from the original manufacturer, this impeller is precision-manufactured to exact factory specifications, ensuring a proper fit and reliable long-term operation.
Why Choose the OEM Impeller?
Using a genuine OEM impeller eliminates the guesswork of aftermarket compatibility. It is designed to match the original hydraulic profile, delivering consistent flow rates and pressure characteristics that keep your system running at peak efficiency. Proper impeller function is critical to circulator pump longevity and overall system reliability.
Key Features
- Genuine OEM replacement part for Lochinvar and A.O. Smith systems
- Precision-engineered to original factory specifications
- Ensures correct hydraulic performance and flow characteristics
- Direct drop-in replacement for simplified installation
- Supports long-term reliability of hydronic circulator pumps
- Backed by Lochinvar & A.O. Smith manufacturing quality standards
Applications
This impeller is intended for use in compatible Lochinvar and A.O. Smith hydronic heating equipment. Always verify compatibility with your specific model before installation. Refer to your equipment’s service manual or contact a qualified HVAC technician for guidance.
Installation Note
Installation should be performed by a licensed HVAC or plumbing professional in accordance with all applicable local codes and the manufacturer’s service documentation.







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