Description
The Armstrong Fluid Technology 174036MF-113 S45BF circulator pump is designed for hydronic heating and cooling systems requiring dependable fluid movement and long service life. This 1/4 HP, 115V single-phase pump features a durable cast iron body paired with a non-ferrous impeller for corrosion resistance and efficient performance in closed-loop systems. Built with permanently lubricated, maintenance-free bearings, the S45BF reduces service requirements while ensuring consistent operation. An integrated thermal overload protection system safeguards the motor from overheating, making it suitable for continuous-duty applications in commercial and residential HVAC systems. The unit is compatible with 2-1/2″ or 3″ flanged piping connections, providing installation flexibility across a wide range of system configurations.
Key Features
- 1/4 HP motor for reliable hydronic circulation performance
- 115V, single-phase electrical configuration for standard applications
- Built-in thermal overload protection to prevent motor damage
- Cast iron pump body for durability in closed-loop systems
- Non-ferrous impeller resists corrosion and extends service life
- Permanently lubricated, maintenance-free bearings
- Compatible with 2-1/2″ and 3″ flanged pipe connections
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