Description
Lochinvar & A.O. Smith 100133600 Circulator Pump
The Lochinvar & A.O. Smith 100133600 is a heavy-duty circulator pump engineered for demanding hydronic heating and hot water recirculation applications. Designed as a genuine OEM replacement, this pump delivers consistent, reliable flow performance to keep your boiler or water heater system operating at peak efficiency.
Key Features
- Motor Output: 1/2 HP for robust circulation performance
- Connection Size: 2″ flanged (Flg) inlet/outlet for secure, leak-free installation
- Speed: 1800 RPM for steady, efficient fluid movement
- Dual Voltage: 115/230V compatibility for flexible electrical installation
- Genuine OEM replacement part for Lochinvar and A.O. Smith boiler and water heater systems
- Built for long-term reliability in hydronic heating and hot water circulation applications
Application
This pump is a direct OEM replacement designed for use with Lochinvar and A.O. Smith boilers and commercial water heating systems. The 2″ flanged connections simplify installation and servicing, while the dual-voltage motor offers flexibility across a range of electrical configurations. Ideal for commercial and residential hydronic heating loops, hot water recirculation, and related fluid-handling applications.
Specifications
- SKU: 100133600
- Brand: Lochinvar & A.O. Smith
- Motor HP: 1/2 HP
- Connection Type: 2″ Flanged
- Speed: 1800 RPM
- Voltage: 115/230V







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