Description
Lochinvar & A.O. Smith 100304110 Pump Assembly Overview
The Lochinvar & A.O. Smith 100304110 is a factory-engineered pump assembly designed for use in hydronic heating systems. Featuring a 0–10VDC control signal input for precise variable-speed operation, this unit integrates seamlessly with modern boiler controls and building automation systems. The 1-1/4″ flanged connections ensure a secure, leak-free installation and easy serviceability in commercial and residential hydronic applications.
Key Features
- OEM replacement pump assembly engineered for Lochinvar and A.O. Smith boiler systems
- 0–10VDC control signal input for variable-speed, modulating pump operation
- 1-1/4″ flanged (FLG) connections for straightforward installation and removal
- Designed for compatibility with Lochinvar and A.O. Smith hydronic heating equipment
- Supports precise flow control to optimize system efficiency and comfort
- Durable construction for reliable long-term performance in demanding hydronic environments
Application
This pump assembly is an ideal direct replacement for Lochinvar and A.O. Smith boiler systems requiring variable-speed pump control. The 0–10VDC signal interface allows the pump speed to be modulated by a boiler controller or building automation system, improving energy efficiency and system response. The flanged connection design simplifies installation and future maintenance.
Specifications
- SKU: 100304110
- Brand: Lochinvar & A.O. Smith
- Control Signal: 0–10VDC
- Connection Size: 1-1/4″ Flanged (FLG)
- Product Type: Pump Assembly







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