Description
Lochinvar & A.O. Smith 100304162 Pump Assembly Overview
The Lochinvar & A.O. Smith 100304162 is an OEM replacement pump assembly engineered for precise, variable-speed hydronic circulation in commercial and residential water heating systems. Featuring a 0–10 VDC analog control input, this pump assembly integrates seamlessly with building automation systems and boiler controls to deliver modulating flow performance that matches system demand — improving efficiency and reducing energy consumption.
Key Features
- 0–10 VDC control signal input for variable-speed, modulating pump operation
- 1-1/2″ flanged (FLG) connections for secure, leak-resistant installation
- OEM-specified replacement for Lochinvar and A.O. Smith hydronic heating systems
- Designed for compatibility with commercial boiler and water heater applications
- Supports integration with BAS/DDC controls via standard analog signal
- Robust construction for reliable, long-service-life performance
Application
This pump assembly is a direct OEM replacement part for Lochinvar and A.O. Smith boiler and water heating equipment. The 0–10 VDC input allows the pump speed to be modulated by an external controller, making it ideal for systems requiring variable flow rates to optimize efficiency. The 1-1/2″ flanged connection simplifies installation and serviceability in hydronic piping systems.
Specifications
- SKU: 100304162
- Brand: Lochinvar & A.O. Smith
- Control Signal: 0–10 VDC
- Connection Size: 1-1/2″ Flanged (FLG)
- Type: Pump Assembly







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